uses env vars in compose.yml

example.env

@@ -1,3 +1,7 @@
+# A prefix for remote container names
+# If you're running on ARM 32-bit CPU architecture, use 'armv7/', otherwise keep blank
+CONTAINER_PREFIX=
+
 # The hostname to use for the local SMTP server
 LOCAL_SMTP_HOST=
 
@@ -48,3 +52,15 @@ DB_SCHEME=
 
 # The path part of the URI to the website database
 DB_PATH=
+
+# The Node.JS environment for the Etherpad instance (production, development)
+ETHERPAD_NODE_ENV=production
+
+# The admin password for the Etherpad instance
+ETHERPAD_ADMIN_PASSWORD=
+
+# The ports on which to run apps
+ETHERPAD_PORT=9001
+HTTP_PORT=8080
+GEMINI_PORT=1965
+VAULTWARDEN_PORT=9000