Update README.md

README.md

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 # tor-simple
+
 tor + pluggable transports
 
 ## Tags
 
 * `ubuntu_rolling_*_tor_*_obfs4proxy_*_webtunnel_*_snowflake_*` (The `ubuntu:rolling` tag points to the latest release (regardless of LTS status).)
 * `ubuntu_lts_*_tor_*_obfs4proxy_*` (The `ubuntu:latest` tag points to the "latest LTS", since that's the version recommended for general use.)
 
+## Volume bindings
+
+* `/var/log/tor` (contains `notices.log` file)
+* `/usr/local/etc/tor` or `/etc/tor` (contains `torrc` file)
+* `/var/lib/tor` (tor working directory, contains `cached-certs`, `cached-descriptors`, `cached-descriptors.new`, `cached-microdesc-consensus`, `cached-microdescs`, `cached-microdescs.new`, `keys`, `lock`, `pt_state`, `state`)
+
 ## See also
 
 * https://hub.docker.com/_/ubuntu