Enable docker image update notifications

compose.yml

@@ -33,6 +33,10 @@ services:
       - 149.112.112.112 # Quad9
     ports:
       - 8008:8008
+    labels:
+      diun.enable: "true"
+      diun.watch_repo: "true"
+      diun.include_tags: "latest"
 
   postgres:
     image: docker.io/postgres:17.4
@@ -60,6 +64,10 @@ services:
       - postgres_data:/var/lib/postgresql/data:rw
     networks:
       - synapse_network
+    labels:
+      diun.enable: "true"
+      diun.watch_repo: "true"
+      diun.include_tags: "latest"
 
   init:
     image: busybox:1.37.0
@@ -75,6 +83,10 @@ services:
       # Mount all named volumes so they can be initialised
       - synapse_data:/synapse_data:rw
       - postgres_data:/postgres_data:rw
+    labels:
+      diun.enable: "true"
+      diun.watch_repo: "true"
+      diun.include_tags: "latest"
 
 secrets:
   signing_key: