fix(deployment): matplotlib in rootless deployments (#30328)

docker/docker-compose.rootless.yml

@@ -51,8 +51,6 @@ services:
       - NET_RAW
     volumes:
       - ./ml-model-cache:/cache
-      - ./ml-dotcache:/.cache
-      - ./ml-config:/.config
     env_file:
       - .env
     restart: always

docs/docs/FAQ.mdx

@@ -413,8 +413,6 @@ You can change the user in the container by setting the `user` argument in `dock
 
 You may need to add mount points or docker volumes for the following internal container paths:
 
-- `immich-machine-learning:/.config`
-- `immich-machine-learning:/.cache`
 - `redis:/data`
 
 The non-root user/group needs read/write access to the volume mounts, including `UPLOAD_LOCATION` and `/cache` for machine-learning.

machine-learning/Dockerfile

@@ -160,6 +160,9 @@ ENV IMMICH_SOURCE_REF=${BUILD_SOURCE_REF}
 ENV IMMICH_SOURCE_COMMIT=${BUILD_SOURCE_COMMIT}
 ENV IMMICH_SOURCE_URL=https://github.com/immich-app/immich/commit/${BUILD_SOURCE_COMMIT}
 
+# store matplotlib config in /cache subfolder to enable rootless deployment with a single volume
+ENV MPLCONFIGDIR=/cache/matplotlib
+
 ENTRYPOINT ["tini", "--"]
 CMD ["python", "-m", "immich_ml"]