Add diun container

compose.yml

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+services:
+  diun:
+    image: crazymax/diun:4.31.0
+    command: serve
+    user: 2023:2023 # diun:diun
+    group_add:
+      - 131 # docker
+    restart: unless-stopped
+    volumes:
+      - data:/data:rw
+      - /var/run/docker.sock:/var/run/docker.sock:rw
+    secrets:
+      - ntfy_token
+    environment:
+      TZ: "Etc/UTC"
+      DIUN_WATCH_WORKERS: "20"
+      DIUN_WATCH_SCHEDULE: "0 */6 * * *"
+      DIUN_WATCH_JITTER: "30s"
+      DIUN_WATCH_FIRSTCHECKNOTIF: "true"
+      DIUN_PROVIDERS_DOCKER: "true"
+      DIUN_NOTIF_NTFY_ENDPOINT: "https://ntfy.leaf.home.kappeh.org"
+      DIUN_NOTIF_NTFY_TOKENFILE: "/run/secrets/ntfy_token"
+      DIUN_NOTIF_NTFY_TOPIC: "diun"
+      DIUN_NOTIF_NTFY_PRIORITY: "3"
+    labels:
+      diun.enable: "true"
+      diun.watch_repo: "true"
+      diun.include_tags: "latest"
+
+  init:
+    image: busybox:1.37.0
+    user: root:root
+    command: /init.sh
+    restart: no
+    network_mode: none
+    volumes:
+      - ./init.sh:/init.sh:ro
+      # Used for resolving user and group names within the init script
+      - /etc/passwd:/etc/passwd:ro
+      - /etc/group:/etc/group:ro
+      # Mount all named volumes so they can be initialised
+      - data:/data:rw
+ 
+volumes:
+  data:
+
+secrets:
+  ntfy_token:
+    environment: "NTFY_TOKEN"
+