diff --git a/.env b/.env
index 46d5d300..ddcb61f3 100644
--- a/.env
+++ b/.env
@@ -1 +1,2 @@
 version=6.0.0
+install=
diff --git a/5.1.0/php.ini b/5.1.0/php.ini
index 2852a748..5cb592c0 100644
--- a/5.1.0/php.ini
+++ b/5.1.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/5.1.0/vtiger-foreground.sh b/5.1.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/5.1.0/vtiger-foreground.sh
+++ b/5.1.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/5.2.0-RC/php.ini b/5.2.0-RC/php.ini
index 2852a748..5cb592c0 100644
--- a/5.2.0-RC/php.ini
+++ b/5.2.0-RC/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/5.2.0-RC/vtiger-foreground.sh b/5.2.0-RC/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/5.2.0-RC/vtiger-foreground.sh
+++ b/5.2.0-RC/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/5.2.0-VB1/php.ini b/5.2.0-VB1/php.ini
index 2852a748..5cb592c0 100644
--- a/5.2.0-VB1/php.ini
+++ b/5.2.0-VB1/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/5.2.0-VB1/vtiger-foreground.sh b/5.2.0-VB1/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/5.2.0-VB1/vtiger-foreground.sh
+++ b/5.2.0-VB1/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/5.2.0-VB2/php.ini b/5.2.0-VB2/php.ini
index 2852a748..5cb592c0 100644
--- a/5.2.0-VB2/php.ini
+++ b/5.2.0-VB2/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/5.2.0-VB2/vtiger-foreground.sh b/5.2.0-VB2/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/5.2.0-VB2/vtiger-foreground.sh
+++ b/5.2.0-VB2/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/5.2.0/php.ini b/5.2.0/php.ini
index 2852a748..5cb592c0 100644
--- a/5.2.0/php.ini
+++ b/5.2.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/5.2.0/vtiger-foreground.sh b/5.2.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/5.2.0/vtiger-foreground.sh
+++ b/5.2.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/5.2.1/php.ini b/5.2.1/php.ini
index 2852a748..5cb592c0 100644
--- a/5.2.1/php.ini
+++ b/5.2.1/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/5.2.1/vtiger-foreground.sh b/5.2.1/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/5.2.1/vtiger-foreground.sh
+++ b/5.2.1/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/5.3.0-RC/php.ini b/5.3.0-RC/php.ini
index 2852a748..5cb592c0 100644
--- a/5.3.0-RC/php.ini
+++ b/5.3.0-RC/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/5.3.0-RC/vtiger-foreground.sh b/5.3.0-RC/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/5.3.0-RC/vtiger-foreground.sh
+++ b/5.3.0-RC/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/5.3.0/php.ini b/5.3.0/php.ini
index 2852a748..5cb592c0 100644
--- a/5.3.0/php.ini
+++ b/5.3.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/5.3.0/vtiger-foreground.sh b/5.3.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/5.3.0/vtiger-foreground.sh
+++ b/5.3.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/5.4.0-RC/php.ini b/5.4.0-RC/php.ini
index 2852a748..5cb592c0 100644
--- a/5.4.0-RC/php.ini
+++ b/5.4.0-RC/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/5.4.0-RC/vtiger-foreground.sh b/5.4.0-RC/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/5.4.0-RC/vtiger-foreground.sh
+++ b/5.4.0-RC/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/5.4.0/php.ini b/5.4.0/php.ini
index 2852a748..5cb592c0 100644
--- a/5.4.0/php.ini
+++ b/5.4.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/5.4.0/vtiger-foreground.sh b/5.4.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/5.4.0/vtiger-foreground.sh
+++ b/5.4.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/6.0.0-Beta/Dockerfile b/6.0.0-Beta/Dockerfile
index 61df9924..a126ea5f 100644
--- a/6.0.0-Beta/Dockerfile
+++ b/6.0.0-Beta/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:5.6.40-apache
 LABEL maintainer='Francesco Bianco <info@javanile.org>'
 
-ENV VT_VERSION=6.0.0-Beta \
+ENV VT_INSTALL=1 \
+    VT_VERSION=6.0.0-Beta \
     VT_DOWNLOAD=http://sourceforge.net/projects/vtigercrm/files/vtiger%20CRM%206.0%20Beta/Core%20Product/vtigercrm-6.0Beta.tar.gz \
     DATABASE_PACKAGE=mariadb-server-10.1 \
     COMPOSER_ALLOW_SUPERUSER=1 \
@@ -10,7 +11,7 @@ ENV VT_VERSION=6.0.0-Beta \
 WORKDIR /usr/src/vtiger
 
 COPY php.ini /usr/local/etc/php/
-COPY vtiger.json /usr/src/vtiger/
+COPY .symvol /usr/src/vtiger/
 COPY vtiger-ssl.* /etc/apache2/ssl/
 COPY 000-default.conf /etc/apache2/sites-available/
 
@@ -18,9 +19,9 @@ RUN apt-get update && \
     apt-get install --no-install-recommends -y zlib1g-dev libc-client-dev libkrb5-dev cron rsyslog unzip && \
     docker-php-ext-configure imap --with-kerberos --with-imap-ssl && \
     docker-php-ext-install imap exif mysql mysqli pdo pdo_mysql zip && \
+    curl -sL https://javanile.github.io/symvol/setup.sh?v=0.0.2 | bash - && \
     curl -o composer.phar -sL https://getcomposer.org/composer.phar && \
-    php composer.phar --ansi require javanile/http-robot:0.0.2 && \
-    php composer.phar --ansi global require javanile/mysql-import:0.0.11 javanile/vtiger-cli:0.0.3 && \
+    php composer.phar --ansi global require javanile/http-robot:0.0.2 javanile/mysql-import:0.0.11 javanile/vtiger-cli:0.0.3 && \
     usermod -u 1000 www-data && groupmod -g 1000 www-data && \
     echo "ServerName localhost" >> /etc/apache2/apache2.conf && \
     curl -o vtiger.tar.gz -sL "$VT_DOWNLOAD" && tar -xzf vtiger.tar.gz && rm vtiger.tar.gz && \
@@ -28,19 +29,21 @@ RUN apt-get update && \
     vtiger permissions --fix && \
     a2enmod ssl && a2enmod rewrite && \
     apt-get clean && php composer.phar clearcache && \
+    mv .symvol /var/www/html && \
+    mkdir -p volume /var/lib/vtiger && \
     rm -rf composer.phar /tmp/* /var/tmp/* /var/lib/apt/lists/* /etc/cron.*
 
-COPY develop-install.sh /usr/local/bin/
-RUN chmod +x /usr/local/bin/develop-install.sh && develop-install.sh
 COPY vtiger-*.sh /usr/local/bin/
 COPY vtiger-*.php /usr/src/vtiger/
 COPY crontab /etc/cron.d/crontab
 
-RUN chmod +x /usr/local/bin/vtiger-*.sh && vtiger-install.sh --assert-mysql --dump --remove-mysql
 COPY LoggerManager.php /var/www/html/libraries/log4php/
-COPY config.inc.php config.performance.php /var/www/html/
+COPY vtiger.json config.inc.php /usr/src/vtiger/
+COPY config.performance.php loading.php /var/www/html/
 
-VOLUME ["/var/www/html/storage", "/var/www/html/logs"]
+RUN sed -i 's/^error_reporting = .*$/error_reporting = E_ALL \& ~E_WARNING \& ~E_NOTICE \& ~E_DEPRECATED \& ~E_STRICT/' /usr/local/etc/php/php.ini
+
+VOLUME ["/var/lib/vtiger"]
 
 WORKDIR /app
 
diff --git a/6.0.0-Beta/php.ini b/6.0.0-Beta/php.ini
index 2852a748..5cb592c0 100644
--- a/6.0.0-Beta/php.ini
+++ b/6.0.0-Beta/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/6.0.0-Beta/vtiger-foreground.sh b/6.0.0-Beta/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/6.0.0-Beta/vtiger-foreground.sh
+++ b/6.0.0-Beta/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/6.0.0-RC/Dockerfile b/6.0.0-RC/Dockerfile
index 24c33ce4..3e90ee62 100644
--- a/6.0.0-RC/Dockerfile
+++ b/6.0.0-RC/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:5.6.40-apache
 LABEL maintainer='Francesco Bianco <info@javanile.org>'
 
-ENV VT_VERSION=6.0.0-RC \
+ENV VT_INSTALL=1 \
+    VT_VERSION=6.0.0-RC \
     VT_DOWNLOAD=http://sourceforge.net/projects/vtigercrm/files/vtiger%20CRM%206.0%20RC/Core%20Product/vtigercrm-6.0.0rc.tar.gz \
     DATABASE_PACKAGE=mariadb-server-10.1 \
     COMPOSER_ALLOW_SUPERUSER=1 \
@@ -10,7 +11,7 @@ ENV VT_VERSION=6.0.0-RC \
 WORKDIR /usr/src/vtiger
 
 COPY php.ini /usr/local/etc/php/
-COPY vtiger.json /usr/src/vtiger/
+COPY .symvol /usr/src/vtiger/
 COPY vtiger-ssl.* /etc/apache2/ssl/
 COPY 000-default.conf /etc/apache2/sites-available/
 
@@ -18,9 +19,9 @@ RUN apt-get update && \
     apt-get install --no-install-recommends -y zlib1g-dev libc-client-dev libkrb5-dev cron rsyslog unzip && \
     docker-php-ext-configure imap --with-kerberos --with-imap-ssl && \
     docker-php-ext-install imap exif mysql mysqli pdo pdo_mysql zip && \
+    curl -sL https://javanile.github.io/symvol/setup.sh?v=0.0.2 | bash - && \
     curl -o composer.phar -sL https://getcomposer.org/composer.phar && \
-    php composer.phar --ansi require javanile/http-robot:0.0.2 && \
-    php composer.phar --ansi global require javanile/mysql-import:0.0.11 javanile/vtiger-cli:0.0.3 && \
+    php composer.phar --ansi global require javanile/http-robot:0.0.2 javanile/mysql-import:0.0.11 javanile/vtiger-cli:0.0.3 && \
     usermod -u 1000 www-data && groupmod -g 1000 www-data && \
     echo "ServerName localhost" >> /etc/apache2/apache2.conf && \
     curl -o vtiger.tar.gz -sL "$VT_DOWNLOAD" && tar -xzf vtiger.tar.gz && rm vtiger.tar.gz && \
@@ -28,19 +29,21 @@ RUN apt-get update && \
     vtiger permissions --fix && \
     a2enmod ssl && a2enmod rewrite && \
     apt-get clean && php composer.phar clearcache && \
+    mv .symvol /var/www/html && \
+    mkdir -p volume /var/lib/vtiger && \
     rm -rf composer.phar /tmp/* /var/tmp/* /var/lib/apt/lists/* /etc/cron.*
 
-COPY develop-install.sh /usr/local/bin/
-RUN chmod +x /usr/local/bin/develop-install.sh && develop-install.sh
 COPY vtiger-*.sh /usr/local/bin/
 COPY vtiger-*.php /usr/src/vtiger/
 COPY crontab /etc/cron.d/crontab
 
-RUN chmod +x /usr/local/bin/vtiger-*.sh && vtiger-install.sh --assert-mysql --dump --remove-mysql
 COPY LoggerManager.php /var/www/html/libraries/log4php/
-COPY config.inc.php config.performance.php /var/www/html/
+COPY vtiger.json config.inc.php /usr/src/vtiger/
+COPY config.performance.php loading.php /var/www/html/
 
-VOLUME ["/var/www/html/storage", "/var/www/html/logs"]
+RUN sed -i 's/^error_reporting = .*$/error_reporting = E_ALL \& ~E_WARNING \& ~E_NOTICE \& ~E_DEPRECATED \& ~E_STRICT/' /usr/local/etc/php/php.ini
+
+VOLUME ["/var/lib/vtiger"]
 
 WORKDIR /app
 
diff --git a/6.0.0-RC/php.ini b/6.0.0-RC/php.ini
index 2852a748..5cb592c0 100644
--- a/6.0.0-RC/php.ini
+++ b/6.0.0-RC/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/6.0.0-RC/vtiger-foreground.sh b/6.0.0-RC/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/6.0.0-RC/vtiger-foreground.sh
+++ b/6.0.0-RC/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/6.0.0/Dockerfile b/6.0.0/Dockerfile
index d7ff1b98..86211113 100644
--- a/6.0.0/Dockerfile
+++ b/6.0.0/Dockerfile
@@ -1,61 +1,57 @@
 FROM php:5.6.40-apache
-LABEL maintainer="Francesco Bianco <info@javanile.org>"
+LABEL maintainer='Francesco Bianco <info@javanile.org>'
 
-ENV LAYER_BREAK=true
-ENV VT_VERSION="6.0.0" \
-    DATABASE_PACKAGE="mysql-server-5.5" \
-    PATH="/root/.composer/vendor/bin:$PATH"
+ENV VT_INSTALL=1 \
+    VT_VERSION=6.0.0 \
+    VT_DOWNLOAD=https://github.com/javanile/vtiger-core/archive/6.0.0.tar.gz \
+    DATABASE_PACKAGE=mariadb-server-10.1 \
+    COMPOSER_ALLOW_SUPERUSER=1 \
+    PATH=/root/.composer/vendor/bin:$PATH
+
+WORKDIR /usr/src/vtiger
 
 COPY php.ini /usr/local/etc/php/
-COPY vtiger.json .symvol /usr/src/vtiger/
+COPY .symvol /usr/src/vtiger/
 COPY vtiger-ssl.* /etc/apache2/ssl/
 COPY 000-default.conf /etc/apache2/sites-available/
 
 RUN apt-get update && \
-    apt-get install --no-install-recommends -y zlib1g-dev libc-client-dev libkrb5-dev libfreetype6-dev libjpeg62-turbo-dev libpng-dev libxml2-dev cron rsyslog zip unzip socat vim nano && \
-    docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ && \
+    apt-get install --no-install-recommends -y zlib1g-dev libc-client-dev libkrb5-dev cron rsyslog unzip && \
     docker-php-ext-configure imap --with-kerberos --with-imap-ssl && \
-    docker-php-ext-install imap exif mysqli pdo pdo_mysql zip gd xml && \
-    echo "cron.* /var/log/cron.log" >> /etc/rsyslog.conf && rm -fr /etc/cron.* && mkdir /etc/cron.d && ${LAYER_BREAK}
-RUN curl -o composer -sL https://getcomposer.org/composer.phar && \
-    php composer global require javanile/http-robot:0.0.2 javanile/mysql-import:0.0.15 javanile/vtiger-cli:0.0.4 && \
-    php composer clearcache && rm composer && ${LAYER_BREAK}
+    docker-php-ext-install imap exif mysql mysqli pdo pdo_mysql zip && ${LAYER_BREAK}
 RUN curl -sL https://javanile.github.io/symvol/setup.sh?v=0.0.2 | bash - && ${LAYER_BREAK}
-RUN usermod -u 1000 www-data && groupmod -g 1000 www-data && \
+RUN curl -o composer.phar -sL https://getcomposer.org/composer.phar && \
+    php composer.phar --ansi global require javanile/http-robot:0.0.2 javanile/mysql-import:0.0.11 javanile/vtiger-cli:0.0.3 && \
+    usermod -u 1000 www-data && groupmod -g 1000 www-data && \
     echo "ServerName localhost" >> /etc/apache2/apache2.conf && \
-    a2enmod ssl && a2enmod rewrite && ${LAYER_BREAK}
-RUN cd /usr/src/vtiger && \
-    curl -o vtiger.tar.gz -L "https://github.com/javanile/vtiger-core/archive/6.0.0.tar.gz" && \
-    tar -xzf vtiger.tar.gz && \
-    rm vtiger.tar.gz && \
-    rm -fr /var/www/html && \
-    mv "vtiger-core-6.0.0" /var/www/html && \
+    curl -o vtiger.tar.gz -sL "$VT_DOWNLOAD" && tar -xzf vtiger.tar.gz && rm vtiger.tar.gz && \
+    rm -fr /var/www/html && mv "vtiger-core-6.0.0" /var/www/html && \
     vtiger permissions --fix && \
-    mv .symvol /var/www/html && \
+    a2enmod ssl && a2enmod rewrite && \
+    apt-get clean && php composer.phar clearcache && ${LAYER_BREAK}
+RUN mv .symvol /var/www/html && \
     mkdir -p volume /var/lib/vtiger && ${LAYER_BREAK}
-RUN apt-get clean && rm -rf /tmp/* /var/tmp/* /var/lib/apt/lists/*
+RUN rm -rf composer.phar /tmp/* /var/tmp/* /var/lib/apt/lists/* /etc/cron.*
 
 COPY vtiger-*.sh /usr/local/bin/
 COPY vtiger-*.php /usr/src/vtiger/
-
-RUN vtiger-install.sh --install-mysql --assert-mysql --dump --remove-mysql && ${LAYER_BREAK}
-RUN cd /var/www/html/vtlib/Vtiger/ && \
-    sed -e 's!realpath(!__realpath__(!' -ri Utils.php Deprecated.php && \
-    symvol move /var/www/html /usr/src/vtiger/volume
+COPY crontab /etc/cron.d/crontab
 
 COPY LoggerManager.php /var/www/html/libraries/log4php/
-COPY config.inc.php config.performance.php loading.php /var/www/html/
-COPY crontab /etc/
+COPY vtiger.json config.inc.php /usr/src/vtiger/
+COPY config.performance.php loading.php /var/www/html/
+
+RUN sed -i 's/^error_reporting = .*$/error_reporting = E_ALL \& ~E_WARNING \& ~E_NOTICE \& ~E_DEPRECATED \& ~E_STRICT/' /usr/local/etc/php/php.ini
 
 VOLUME ["/var/lib/vtiger"]
 
 WORKDIR /app
 
-ENV VT_ADMIN_USER="admin" \
-    VT_ADMIN_PASSWORD="admin" \
-    VT_ADMIN_EMAIL="admin@localhost.lan" \
-    VT_CURRENCY_NAME="USA, Dollars" \
-    MYSQL_HOST="mysql" \
-    MYSQL_DATABASE="vtiger"
+ENV VT_ADMIN_USER='admin' \
+    VT_ADMIN_PASSWORD='admin' \
+    VT_ADMIN_EMAIL='admin@localhost.lan' \
+    VT_CURRENCY_NAME='USA, Dollars' \
+    MYSQL_HOST='mysql' \
+    MYSQL_DATABASE='vtiger'
 
 CMD ["vtiger-foreground.sh"]
diff --git a/6.0.0/php.ini b/6.0.0/php.ini
index 2852a748..5cb592c0 100644
--- a/6.0.0/php.ini
+++ b/6.0.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/6.0.0/vtiger-foreground.sh b/6.0.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/6.0.0/vtiger-foreground.sh
+++ b/6.0.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/6.1.0-Beta/Dockerfile b/6.1.0-Beta/Dockerfile
index 75267b6f..b9f61d33 100644
--- a/6.1.0-Beta/Dockerfile
+++ b/6.1.0-Beta/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:5.6.40-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="6.1.0-Beta" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="6.1.0-Beta" \
     DATABASE_PACKAGE="mariadb-server-10.1" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/6.1.0-Beta/php.ini b/6.1.0-Beta/php.ini
index 2852a748..5cb592c0 100644
--- a/6.1.0-Beta/php.ini
+++ b/6.1.0-Beta/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/6.1.0-Beta/vtiger-foreground.sh b/6.1.0-Beta/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/6.1.0-Beta/vtiger-foreground.sh
+++ b/6.1.0-Beta/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/6.1.0/Dockerfile b/6.1.0/Dockerfile
index 47760754..2271f85b 100644
--- a/6.1.0/Dockerfile
+++ b/6.1.0/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:5.6.40-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="6.1.0" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="6.1.0" \
     DATABASE_PACKAGE="mariadb-server-10.1" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/6.1.0/php.ini b/6.1.0/php.ini
index 2852a748..5cb592c0 100644
--- a/6.1.0/php.ini
+++ b/6.1.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/6.1.0/vtiger-foreground.sh b/6.1.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/6.1.0/vtiger-foreground.sh
+++ b/6.1.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/6.2.0/Dockerfile b/6.2.0/Dockerfile
index a3947b08..66850ae4 100644
--- a/6.2.0/Dockerfile
+++ b/6.2.0/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:5.6.40-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="6.2.0" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="6.2.0" \
     DATABASE_PACKAGE="mariadb-server-10.1" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/6.2.0/php.ini b/6.2.0/php.ini
index 2852a748..5cb592c0 100644
--- a/6.2.0/php.ini
+++ b/6.2.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/6.2.0/vtiger-foreground.sh b/6.2.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/6.2.0/vtiger-foreground.sh
+++ b/6.2.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/6.3.0/Dockerfile b/6.3.0/Dockerfile
index 52c15972..5bdd6b77 100644
--- a/6.3.0/Dockerfile
+++ b/6.3.0/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:5.6.40-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="6.3.0" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="6.3.0" \
     DATABASE_PACKAGE="mariadb-server-10.1" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/6.3.0/php.ini b/6.3.0/php.ini
index 2852a748..5cb592c0 100644
--- a/6.3.0/php.ini
+++ b/6.3.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/6.3.0/vtiger-foreground.sh b/6.3.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/6.3.0/vtiger-foreground.sh
+++ b/6.3.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/6.4.0/Dockerfile b/6.4.0/Dockerfile
index ddf4e85b..4916bf88 100644
--- a/6.4.0/Dockerfile
+++ b/6.4.0/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:5.6.40-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="6.4.0" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="6.4.0" \
     DATABASE_PACKAGE="mariadb-server-10.1" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/6.4.0/php.ini b/6.4.0/php.ini
index 2852a748..5cb592c0 100644
--- a/6.4.0/php.ini
+++ b/6.4.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/6.4.0/vtiger-foreground.sh b/6.4.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/6.4.0/vtiger-foreground.sh
+++ b/6.4.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/6.5.0/Dockerfile b/6.5.0/Dockerfile
index ac69e453..02c80069 100644
--- a/6.5.0/Dockerfile
+++ b/6.5.0/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:5.6.40-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="6.5.0" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="6.5.0" \
     DATABASE_PACKAGE="mariadb-server-10.1" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/6.5.0/php.ini b/6.5.0/php.ini
index 2852a748..5cb592c0 100644
--- a/6.5.0/php.ini
+++ b/6.5.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/6.5.0/vtiger-foreground.sh b/6.5.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/6.5.0/vtiger-foreground.sh
+++ b/6.5.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/7.0.0/Dockerfile b/7.0.0/Dockerfile
index f831fd78..53348b17 100644
--- a/7.0.0/Dockerfile
+++ b/7.0.0/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:7.0.33-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="7.0.0" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="7.0.0" \
     DATABASE_PACKAGE="mariadb-server-10.1" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/7.0.0/php.ini b/7.0.0/php.ini
index 2852a748..5cb592c0 100644
--- a/7.0.0/php.ini
+++ b/7.0.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/7.0.0/vtiger-foreground.sh b/7.0.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/7.0.0/vtiger-foreground.sh
+++ b/7.0.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/7.0.1/Dockerfile b/7.0.1/Dockerfile
index d2031643..09b7c9a6 100644
--- a/7.0.1/Dockerfile
+++ b/7.0.1/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:7.0.33-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="7.0.1" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="7.0.1" \
     DATABASE_PACKAGE="mariadb-server-10.1" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/7.0.1/php.ini b/7.0.1/php.ini
index 2852a748..5cb592c0 100644
--- a/7.0.1/php.ini
+++ b/7.0.1/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/7.0.1/vtiger-foreground.sh b/7.0.1/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/7.0.1/vtiger-foreground.sh
+++ b/7.0.1/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/7.1.0-RC/Dockerfile b/7.1.0-RC/Dockerfile
index cdd4782c..920dbb20 100644
--- a/7.1.0-RC/Dockerfile
+++ b/7.1.0-RC/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:7.0.33-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="7.1.0-RC" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="7.1.0-RC" \
     DATABASE_PACKAGE="mariadb-server-10.1" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/7.1.0-RC/php.ini b/7.1.0-RC/php.ini
index 2852a748..5cb592c0 100644
--- a/7.1.0-RC/php.ini
+++ b/7.1.0-RC/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/7.1.0-RC/vtiger-foreground.sh b/7.1.0-RC/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/7.1.0-RC/vtiger-foreground.sh
+++ b/7.1.0-RC/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/7.1.0/Dockerfile b/7.1.0/Dockerfile
index 706afc47..d7a17e18 100644
--- a/7.1.0/Dockerfile
+++ b/7.1.0/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:7.0.33-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="7.1.0" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="7.1.0" \
     DATABASE_PACKAGE="mariadb-server-10.1" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/7.1.0/php.ini b/7.1.0/php.ini
index 2852a748..5cb592c0 100644
--- a/7.1.0/php.ini
+++ b/7.1.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/7.1.0/vtiger-foreground.sh b/7.1.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/7.1.0/vtiger-foreground.sh
+++ b/7.1.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/7.2.0/Dockerfile b/7.2.0/Dockerfile
index 136ac47e..6d5169e2 100644
--- a/7.2.0/Dockerfile
+++ b/7.2.0/Dockerfile
@@ -1,7 +1,8 @@
 FROM php:7.3.12-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
-ENV VT_VERSION="7.2.0" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="7.2.0" \
     DATABASE_PACKAGE="mariadb-server-10.3" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/7.2.0/php.ini b/7.2.0/php.ini
index 2852a748..5cb592c0 100644
--- a/7.2.0/php.ini
+++ b/7.2.0/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/7.2.0/vtiger-foreground.sh b/7.2.0/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/7.2.0/vtiger-foreground.sh
+++ b/7.2.0/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."
diff --git a/Dockerfile.main.template b/Dockerfile.main.template
index 27581e85..6cfde9ed 100644
--- a/Dockerfile.main.template
+++ b/Dockerfile.main.template
@@ -2,7 +2,8 @@ FROM php:%%PHP_VERSION%%-apache
 LABEL maintainer="Francesco Bianco <info@javanile.org>"
 
 ENV LAYER_BREAK=true
-ENV VT_VERSION="%%VT_VERSION%%" \
+ENV VT_INSTALL=1 \
+    VT_VERSION="%%VT_VERSION%%" \
     DATABASE_PACKAGE="%%DATABASE_PACKAGE%%" \
     PATH="/root/.composer/vendor/bin:$PATH"
 
diff --git a/Dockerfile.robust.template b/Dockerfile.robust.template
index f083e4ee..568079c9 100644
--- a/Dockerfile.robust.template
+++ b/Dockerfile.robust.template
@@ -1,7 +1,8 @@
 FROM php:%%PHP_VERSION%%-apache
 LABEL maintainer='Francesco Bianco <info@javanile.org>'
 
-ENV VT_VERSION=%%VT_VERSION%% \
+ENV VT_INSTALL=1 \
+    VT_VERSION=%%VT_VERSION%% \
     VT_DOWNLOAD=%%VT_DOWNLOAD%% \
     DATABASE_PACKAGE=%%DATABASE_PACKAGE%% \
     COMPOSER_ALLOW_SUPERUSER=1 \
@@ -10,29 +11,31 @@ ENV VT_VERSION=%%VT_VERSION%% \
 WORKDIR /usr/src/vtiger
 
 COPY php.ini /usr/local/etc/php/
-COPY vtiger.json /usr/src/vtiger/
+COPY .symvol /usr/src/vtiger/
 COPY vtiger-ssl.* /etc/apache2/ssl/
 COPY 000-default.conf /etc/apache2/sites-available/
 
 RUN apt-get update && \
     apt-get install --no-install-recommends -y zlib1g-dev libc-client-dev libkrb5-dev cron rsyslog unzip && \
     docker-php-ext-configure imap --with-kerberos --with-imap-ssl && \
-    docker-php-ext-install imap exif mysql mysqli pdo pdo_mysql zip && \
-    curl -o composer.phar -sL https://getcomposer.org/composer.phar && \
-    php composer.phar --ansi require javanile/http-robot:0.0.2 && \
-    php composer.phar --ansi global require javanile/mysql-import:0.0.11 javanile/vtiger-cli:0.0.3 && \
+    docker-php-ext-install imap exif mysql mysqli pdo pdo_mysql zip && ${LAYER_BREAK}
+RUN curl -sL https://javanile.github.io/symvol/setup.sh?v=0.0.2 | bash - && ${LAYER_BREAK}
+RUN curl -o composer.phar -sL https://getcomposer.org/composer.phar && \
+    php composer.phar --ansi global require javanile/http-robot:0.0.2 javanile/mysql-import:0.0.11 javanile/vtiger-cli:0.0.3 && \
     usermod -u 1000 www-data && groupmod -g 1000 www-data && \
     echo "ServerName localhost" >> /etc/apache2/apache2.conf && \
     curl -o vtiger.tar.gz -sL "$VT_DOWNLOAD" && tar -xzf vtiger.tar.gz && rm vtiger.tar.gz && \
     rm -fr /var/www/html && mv "%%VT_DIRECTORY%%" /var/www/html && \
     vtiger permissions --fix && \
     a2enmod ssl && a2enmod rewrite && \
-    apt-get clean && php composer.phar clearcache && \
-    rm -rf composer.phar /tmp/* /var/tmp/* /var/lib/apt/lists/* /etc/cron.*
+    apt-get clean && php composer.phar clearcache && ${LAYER_BREAK}
+RUN mv .symvol /var/www/html && \
+    mkdir -p volume /var/lib/vtiger && ${LAYER_BREAK}
+RUN rm -rf composer.phar /tmp/* /var/tmp/* /var/lib/apt/lists/* /etc/cron.*
 
 ## @block: develop
-COPY develop-install.sh /usr/local/bin/
-RUN chmod +x /usr/local/bin/develop-install.sh && develop-install.sh
+#COPY develop-install.sh /usr/local/bin/
+#RUN chmod +x /usr/local/bin/develop-install.sh && develop-install.sh
 ## @endblock
 COPY vtiger-*.sh /usr/local/bin/
 COPY vtiger-*.php /usr/src/vtiger/
@@ -40,16 +43,19 @@ COPY crontab /etc/cron.d/crontab
 
 ## @block: develop
 #RUN chmod +x /usr/local/bin/vtiger-*.sh
-RUN chmod +x /usr/local/bin/vtiger-*.sh && vtiger-install.sh --assert-mysql --dump --remove-mysql
+#RUN chmod +x /usr/local/bin/vtiger-*.sh && vtiger-install.sh --assert-mysql --dump --remove-mysql
 ## @block: production
 #RUN chmod +x /usr/local/bin/vtiger-*.sh
 #RUN chmod +x /usr/local/bin/vtiger-*.sh && vtiger-install.sh --install-mysql --assert-mysql --dump --remove-mysql
 ## @endblock
 COPY LoggerManager.php /var/www/html/libraries/log4php/
-COPY config.inc.php config.performance.php /var/www/html/
+COPY vtiger.json config.inc.php /usr/src/vtiger/
+COPY config.performance.php loading.php /var/www/html/
 #COPY config.performance.php /var/www/html/
 
-VOLUME ["/var/www/html/storage", "/var/www/html/logs"]
+RUN sed -i 's/^error_reporting = .*$/error_reporting = E_ALL \& ~E_WARNING \& ~E_NOTICE \& ~E_DEPRECATED \& ~E_STRICT/' /usr/local/etc/php/php.ini
+
+VOLUME ["/var/lib/vtiger"]
 
 WORKDIR /app
 
diff --git a/README.md b/README.md
index 26e2b0b8..a194e2d1 100644
--- a/README.md
+++ b/README.md
@@ -51,3 +51,9 @@ improve marketing reach, and deliver great customer service. Try it free with Do
 ```bash
 ./develop.sh
 ```
+
+## Error reporting
+
+```ini
+error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
+```
diff --git a/docker-compose.yml b/docker-compose.yml
index 4fe52b69..8fe0f7d6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,8 @@ services:
   vtiger:
     build: ${version}
     environment:
-      - VT_DEBUG=true
+      - VT_DEBUG=false
+      - VT_INSTALL=${install}
       - MYSQL_ROOT_PASSWORD=secret
     ports:
       - 20080:80
diff --git a/php.ini b/php.ini
index 2852a748..5cb592c0 100644
--- a/php.ini
+++ b/php.ini
@@ -7,7 +7,6 @@ log_errors = On
 short_open_tag = Off
 error_log = /var/www/html/logs/php.log
 error_reporting = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
-;error_reporting = E_WARNING & ~E_NOTICE & ~E_DEPRECATED & ~E_STRICT
 max_execution_time = 0
 memory_limit = 4G
 post_max_size = 4G
diff --git a/php0.ini b/php0.ini
new file mode 100644
index 00000000..2dfa7bd2
--- /dev/null
+++ b/php0.ini
@@ -0,0 +1,13 @@
+display_startup_errors = On
+display_errors = On
+html_errors = On
+docref_root = 0
+docref_ext = 0
+log_errors = On
+short_open_tag = Off
+error_log = /var/www/html/logs/php.log
+error_reporting = E_ALL & ~E_WARNING
+max_execution_time = 0
+memory_limit = 4G
+post_max_size = 4G
+upload_max_filesize = 4G
diff --git a/versions.sh b/versions.sh
index ab4aaea6..9b2cda40 100644
--- a/versions.sh
+++ b/versions.sh
@@ -20,7 +20,7 @@ versions=(
      ["6.2.0"]=main,5.6.40,mariadb-server-10.1,sourceforge_vtiger,vtigercrm,vtiger%20CRM%206.2.0/Core%20Product/vtigercrm6.2.0.tar.gz
      ["6.1.0"]=main,5.6.40,mariadb-server-10.1,sourceforge_vtiger,vtigercrm,vtiger%20CRM%206.1.0/Core%20Product/vtigercrm6.1.0.tar.gz
      ["6.1.0-Beta"]=main,5.6.40,mariadb-server-10.1,sourceforge_vtiger,vtigercrm,Vtiger%20CRM%206.1.0%20Beta/Core%20Product/vtigercrm-6.1.0-ea.tar.gz
-     ["6.0.0"]=main,5.6.40,mysql-server-5.5,github_javanile,vtiger-core-6.0.0,6.0.0.tar.gz
+     ["6.0.0"]=robust,5.6.40,mariadb-server-10.1,github_javanile,vtiger-core-6.0.0,6.0.0.tar.gz
      ["6.0.0-RC"]=robust,5.6.40,mariadb-server-10.1,sourceforge_vtiger,vtigerCRM,vtiger%20CRM%206.0%20RC/Core%20Product/vtigercrm-6.0.0rc.tar.gz
      ["6.0.0-Beta"]=robust,5.6.40,mariadb-server-10.1,sourceforge_vtiger,vtigerCRM,vtiger%20CRM%206.0%20Beta/Core%20Product/vtigercrm-6.0Beta.tar.gz
      ["5.4.0"]=stale,5.3.29,mariadb-server-10.3,sourceforge_vtiger,vtigercrm,vtiger%20CRM%205.4.0/Core%20Product/vtigercrm-5.4.0.tar.gz
diff --git a/vtiger-foreground.sh b/vtiger-foreground.sh
index 54ceb223..aa4a10fa 100755
--- a/vtiger-foreground.sh
+++ b/vtiger-foreground.sh
@@ -30,11 +30,19 @@ service apache2 start >/dev/null 2>&1
 printenv | sed 's/^\(.*\)$/export \1/g' | grep -E '^export MYSQL_|^export VT_' > /run/crond.env
 
 ## import database using environment variables
-cd /usr/src/vtiger
-loading "Waiting for database..."
-echo "[vtiger] Waiting for available database..."
-echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
-#php vtiger-startup.php
+if [[ -n "${VT_INSTALL}" ]]; then
+  cd /usr/src/vtiger
+  loading "Waiting for database..."
+  echo "[vtiger] Waiting for available database..."
+  echo -n "[vtiger] " && mysql-import --do-while vtiger.sql
+  #php vtiger-startup.php
+
+  ## Remove default config.inc.php if VT_INSTALL is false
+  if [[ -f /var/www/html/config.inc.php ]]; then
+    echo "[vtiger] Create configuration files..."
+    cp config.inc.php /var/www/html/config.inc.php
+  fi
+fi
 
 ## fill current mounted volume
 loading "Waiting for volume preparation..."