diun: Docker Image Update Notifier

proxy/docker-compose.yaml

@@ -3,7 +3,7 @@ services:
   traefik:
     image: traefik:${TRAEFIK_VERSION}
     restart: unless-stopped
-    environment: 
+    environment:
       - NETCUP_ENDPOINT=${NETCUP_ENDPOINT}
       - NETCUP_CUSTOMER_NUMBER=${NETCUP_CUSTOMER_NUMBER}
       - NETCUP_API_KEY=${NETCUP_API_KEY}
@@ -63,12 +63,13 @@ services:
   docker-socket-proxy:
     image: tecnativa/docker-socket-proxy
     restart: unless-stopped
-    volumes: 
+    volumes:
       - /var/run/docker.sock:/var/run/docker.sock:ro
     environment:
       # grant privileges as environment variables: https://github.com/Tecnativa/docker-socket-proxy#grant-or-revoke-access-to-certain-api-sections
       - CONTAINERS=1
       - INFO=1
+      - IMAGES=1 # for diun
     networks:
       - dockersocket
     healthcheck: