fix: allow configurable config path via CONFIG_PATH env var

docker-compose.yaml

@@ -7,7 +7,7 @@ services:
       - proxy
       - socket_proxy
     volumes:
-      - ./config:/app/config
+      - ${CONFIG_PATH:-./config}:/app/config
     environment:
       - PUID=${PUID}
       - PGID=${PGID}