Introduce watchtower.

automation/docker-compose.yaml

@@ -39,3 +39,22 @@ services:
       - "traefik.http.routers.semaphore.rule=Host(`semaphore.lan`)"
       - "traefik.http.routers.semaphore.service=semaphore"
       - "traefik.http.services.semaphore.loadbalancer.server.port=3000"
+
+  watchtower:
+    image: containrrr/watchtower
+    container_name: watchtower
+    environment:
+      TZ: Europe/Berlin
+      WATCHTOWER_CLEANUP: true
+    restart: unless-stopped
+    networks:
+      - proxy
+      - internal
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.semaphore.entrypoints=web"
+      - "traefik.http.routers.semaphore.rule=Host(`watchtower.lan`)"
+      - "traefik.http.routers.semaphore.service=semaphore"
+      - "traefik.http.services.semaphore.loadbalancer.server.port=80"