diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index b8267d996..d6db2ae20 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -3,7 +3,7 @@ name: Docker
 on:
   push:
     # Publish `robuust` branch to Container Registry
-    branches: 'robuust'
+    branches: 'grpc'
 
 jobs:
   # Push image to GitHub Packages.
@@ -27,32 +27,9 @@ jobs:
       - name: Build & push image to GitHub Container Registry
         run: docker buildx build --pull --platform=linux/arm64,linux/amd64 --tag ghcr.io/robuust/heroku-php-build-heroku-22 --file $(pwd)/support/build/_docker/heroku-22.Dockerfile --push .
 
-  tools:
-    # Ensure push job passes before pushing image.
-    needs: push
-
-    runs-on: ubuntu-latest
-    if: github.event_name == 'push'
-
-    steps:
-      - name: Set up QEMU        
-        uses: docker/setup-qemu-action@v2
-
-      - name: Build & deploy php-min 8.1
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh php-min-8.1.20 --overwrite
-
-      - name: Build & deploy composer 2.5
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh composer-2.5.7 --overwrite
-
-      - name: Build & deploy apache 2.4
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh apache-2.4.57 --overwrite
-
-      - name: Build & deploy nginx 1.22
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh nginx-1.24.0 --overwrite
-
   php81:
     # Ensure push job passes before pushing image.
-    needs: tools
+    needs: push
 
     runs-on: ubuntu-latest
     if: github.event_name == 'push'
@@ -61,21 +38,21 @@ jobs:
       - name: Set up QEMU        
         uses: docker/setup-qemu-action@v2
 
-      - name: Build & deploy php 8.1
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh php-8.1.20 --overwrite
-
-      - name: Build & deploy ext-imagick for php 8.1
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20210902/imagick-3.7.0 --overwrite
+      - name: Build & deploy ext-grpc for php 8.1
+        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20210902/grpc-1.56.0 --overwrite
+      
+      - name: Build & deploy ext-grpc for php 8.1 (x86)
+        run: docker run --platform=linux/amd64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20210902/grpc-1.56.0 --name=extensions/no-debug-non-zts-20210902/grpc-1.56.0-x86 --overwrite
 
-      - name: Build & deploy ext-pcov for php 8.1
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20210902/pcov-1.0.11 --overwrite
-
-      - name: Build & deploy ext-redis for php 8.1
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20210902/redis-5.3.7 --overwrite
+      - name: Build & deploy ext-protobuf for php 8.1
+        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20210902/protobuf-3.23.3 --overwrite
+      
+      - name: Build & deploy ext-protobuf for php 8.1 (x86)
+        run: docker run --platform=linux/amd64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20210902/protobuf-3.23.3 --name=extensions/no-debug-non-zts-20210902/protobuf-3.23.3-x86 --overwrite
 
   php82:
     # Ensure push job passes before pushing image.
-    needs: tools
+    needs: push
 
     runs-on: ubuntu-latest
     if: github.event_name == 'push'
@@ -84,14 +61,14 @@ jobs:
       - name: Set up QEMU        
         uses: docker/setup-qemu-action@v2
 
-      - name: Build & deploy php 8.2
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh php-8.2.7 --overwrite
-
-      - name: Build & deploy ext-imagick for php 8.2
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20220829/imagick-3.7.0 --overwrite
-
-      - name: Build & deploy ext-pcov for php 8.2
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20220829/pcov-1.0.11 --overwrite
-
-      - name: Build & deploy ext-redis for php 8.2
-        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20220829/redis-5.3.7 --overwrite
\ No newline at end of file
+      - name: Build & deploy ext-grpc for php 8.2
+        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20220829/grpc-1.56.0 --overwrite
+      
+      - name: Build & deploy ext-grpc for php 8.2 (x86)
+        run: docker run --platform=linux/amd64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20220829/grpc-1.56.0 --name=extensions/no-debug-non-zts-20220829/grpc-1.56.0-x86 --overwrite
+
+      - name: Build & deploy ext-protobuf for php 8.2
+        run: docker run --platform=linux/arm64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20220829/protobuf-3.23.3 --overwrite
+      
+      - name: Build & deploy ext-protobuf for php 8.2 (x86)
+        run: docker run --platform=linux/amd64 --rm -e AWS_ACCESS_KEY_ID="${{ secrets.AWS_ACCESS_KEY_ID }}" -e AWS_SECRET_ACCESS_KEY="${{ secrets.AWS_SECRET_ACCESS_KEY }}" ghcr.io/robuust/heroku-php-build-heroku-22 deploy.sh extensions/no-debug-non-zts-20220829/protobuf-3.23.3 --name=extensions/no-debug-non-zts-20220829/protobuf-3.23.3-x86 --overwrite
diff --git a/support/build/extensions/no-debug-non-zts-20180731/grpc b/support/build/extensions/no-debug-non-zts-20180731/grpc
new file mode 100755
index 000000000..58fb390e7
--- /dev/null
+++ b/support/build/extensions/no-debug-non-zts-20180731/grpc
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+dep_name=$(basename $BASH_SOURCE)
+
+source $(dirname $BASH_SOURCE)/../pecl
diff --git a/support/build/extensions/no-debug-non-zts-20180731/protobuf b/support/build/extensions/no-debug-non-zts-20180731/protobuf
new file mode 100755
index 000000000..58fb390e7
--- /dev/null
+++ b/support/build/extensions/no-debug-non-zts-20180731/protobuf
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+dep_name=$(basename $BASH_SOURCE)
+
+source $(dirname $BASH_SOURCE)/../pecl
diff --git a/support/build/extensions/no-debug-non-zts-20210902/grpc-1.56.0 b/support/build/extensions/no-debug-non-zts-20210902/grpc-1.56.0
new file mode 100755
index 000000000..51f57fe9c
--- /dev/null
+++ b/support/build/extensions/no-debug-non-zts-20210902/grpc-1.56.0
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/php
+# Build Deps: php-8.1.*
+
+source $(dirname $0)/../no-debug-non-zts-20180731/grpc
diff --git a/support/build/extensions/no-debug-non-zts-20210902/protobuf-3.23.3 b/support/build/extensions/no-debug-non-zts-20210902/protobuf-3.23.3
new file mode 100755
index 000000000..6b82352f5
--- /dev/null
+++ b/support/build/extensions/no-debug-non-zts-20210902/protobuf-3.23.3
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/php
+# Build Deps: php-8.1.*
+
+source $(dirname $0)/../no-debug-non-zts-20180731/protobuf
diff --git a/support/build/extensions/no-debug-non-zts-20220829/grpc-1.56.0 b/support/build/extensions/no-debug-non-zts-20220829/grpc-1.56.0
new file mode 100755
index 000000000..b1ff116d8
--- /dev/null
+++ b/support/build/extensions/no-debug-non-zts-20220829/grpc-1.56.0
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/php
+# Build Deps: php-8.2.*
+
+source $(dirname $0)/../no-debug-non-zts-20180731/grpc
diff --git a/support/build/extensions/no-debug-non-zts-20220829/protobuf-3.23.3 b/support/build/extensions/no-debug-non-zts-20220829/protobuf-3.23.3
new file mode 100755
index 000000000..81b7e5d7d
--- /dev/null
+++ b/support/build/extensions/no-debug-non-zts-20220829/protobuf-3.23.3
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/php
+# Build Deps: php-8.2.*
+
+source $(dirname $0)/../no-debug-non-zts-20180731/protobuf