add Homepage and configure services for discovery

Immich/docker-compose.yaml

@@ -48,6 +48,15 @@ services:
 
       - traefik.docker.network=proxy
 
+      - homepage.group=Media
+      - homepage.name=Immich
+      - homepage.icon=immich.png
+      - homepage.href=${IMMICH_URL}
+      - homepage.description=Photo gallery
+      - homepage.widget.type=immich
+      - homepage.widget.url=${IMMICH_URL}
+      - homepage.widget.key=${IMMICH_API_KEY}
+
   immich-microservices:
     container_name: immich_microservices
     image: ghcr.io/immich-app/immich-server:${IMMICH_VERSION:-release}

Immich/stack.env

@@ -4,6 +4,7 @@ IMMICH_PORT_HTTPS=443
 IMMICH_URL=immich.example.com
 IMMICH_EXTERNAL_DIR=/path/to/external/libraries
 IMMICH_UPLOAD_DIR=/path/to/immich/upload
+IMMICH_API_KEY=YourApiKey
 
 IMMICH_VERSION=release
 DB_PASSWORD=YOUR_DB_PASSWORD