Docker: Watchtower (#480)

Co-authored-by: Michael Grote <michael.grote@posteo.de>
Reviewed-on: #480

docker-compose/drone/docker-compose.yml.j2

@@ -21,7 +21,8 @@ services:
         image: 'drone/drone:latest'
         networks:
           - intern
-
+        labels:
+          - com.centurylinklabs.watchtower.enable=true
 
 # runner
     drone-runner-docker:
@@ -41,6 +42,8 @@ services:
         image: 'drone/drone-runner-docker:latest'
         networks:
           - intern
+        labels:
+          - com.centurylinklabs.watchtower.enable=true
 
 ######## Volumes ########
 volumes:

docker-compose/homer/docker-compose.yml.j2

@@ -14,3 +14,5 @@ services:
       - ./assets/:/www/assets
     ports:
       - 333:8080
+    labels:
+      - com.centurylinklabs.watchtower.enable=true

docker-compose/httpd/docker-compose.yml.j2

@@ -10,3 +10,5 @@ services:
       - "${PWD}/httpd.conf:/usr/local/apache2/conf/httpd.conf:ro"
     ports:
       - 3344:80
+    labels:
+      - com.centurylinklabs.watchtower.enable=true

docker-compose/miniflux/docker-compose.yml.j2

@@ -28,6 +28,9 @@ services:
       - traefik.http.routers.miniflux.tls.certresolver=resolver_letsencrypt
       - traefik.http.routers.miniflux.entrypoints=entry_https
       - traefik.http.services.miniflux.loadbalancer.server.port=8080
+      - com.centurylinklabs.watchtower.enable=true
+      - com.centurylinklabs.watchtower.depends-on=mf-db
+
 ######## PostGreSQL ########
   db:
     container_name: "mf-db"
@@ -42,7 +45,9 @@ services:
     networks:
       - intern
     labels:
-      - com.centurylinklabs.watchtower.enable="false"
+      - com.centurylinklabs.watchtower.enable=false
+      - com.centurylinklabs.watchtower.monitor-only=true
+
 ######## Miniflux-Filter ########
   mf-filter:
     container_name: mf-filter
@@ -58,6 +63,10 @@ services:
       - ./filter.txt:/data/filter.txt
     networks:
       - intern
+    labels:
+      - com.centurylinklabs.watchtower.enable=true
+      - com.centurylinklabs.watchtower.depends-on=mf-frontend
+
 ######## RSS-Bridge ########
   rssbridge:
     container_name: "mf-bridge"
@@ -71,6 +80,9 @@ services:
       - intern
     ports: #um neue Feeds einzufügen
       - 3001:80
+    labels:
+      - com.centurylinklabs.watchtower.enable=true
+
 ######## changedetection ########
   changedetection.io:
     image: ghcr.io/dgtlmoon/changedetection.io
@@ -86,6 +98,8 @@ services:
     restart: always
     networks:
       - intern
+    labels:
+      - com.centurylinklabs.watchtower.enable=true
 
 ######## Volumes ########
 volumes:

docker-compose/munin/docker-compose.yml.j2

@@ -36,6 +36,8 @@ services:
       - cache:/var/cache/munin
     ports:
       - 1234:80
+    labels:
+      - com.centurylinklabs.watchtower.enable=true
 
 volumes:
   db:

docker-compose/navidrome/docker-compose.yml.j2

@@ -35,6 +35,8 @@ services:
       - traefik.http.routers.navidrome-mg.tls.certresolver=resolver_letsencrypt
       - traefik.http.routers.navidrome-mg.entrypoints=entry_https
       - traefik.http.services.navidrome-mg.loadbalancer.server.port=4533
+      
+      - com.centurylinklabs.watchtower.enable=true
     ports:
       - "4533:4533"
 

docker-compose/nextcloud/docker-compose.yml.j2

@@ -19,7 +19,8 @@ services:
     networks:
       - intern
     labels:
-      - com.centurylinklabs.watchtower.enable="false"
+      - com.centurylinklabs.watchtower.enable=true
+
 ######## Redis ########
   nextcloud-redis:
     image: redis:alpine
@@ -30,7 +31,8 @@ services:
     restart: unless-stopped
     command: redis-server --requirepass ${REDIS_HOST_PASSWORD}
     labels:
-      - com.centurylinklabs.watchtower.enable="false"
+      - com.centurylinklabs.watchtower.enable=true
+
 ######## cron ########
   cron:
     container_name: nextcloud-cron
@@ -45,6 +47,9 @@ services:
     environment:
     - NEXTCLOUD_CONTAINER_NAME=nextcloud-app
     - NEXTCLOUD_CRON_MINUTE_INTERVAL=1
+    labels:
+      - com.centurylinklabs.watchtower.enable=true
+
 ######## Nextcloud ########
   nextcloud-app:
     image: nextcloud:${NC_MAJOR_VERSION}
@@ -83,6 +88,9 @@ services:
       - intern
       - traefik
     labels:
+      - com.centurylinklabs.watchtower.enable=true
+      - com.centurylinklabs.watchtower.depends-on=nextcloud-redis,nextcloud-db
+
       - traefik.http.routers.nextcloud.rule=Host(`nextcloud.mgrote.net`)
       - traefik.enable=true
       - traefik.http.routers.nextcloud.tls=true

docker-compose/oxidized/docker-compose.yml.j2

@@ -13,6 +13,8 @@ services:
       - ./config:/root/.config/oxidized/config
       - ./ssh:/ssh/
       - oxidized:/var/lib/oxidized
+    labels:
+      - com.centurylinklabs.watchtower.enable=true
 
 ######## Volumes ########
 volumes:

docker-compose/traefik/docker-compose.yml.j2

@@ -19,6 +19,8 @@ services:
       - "2222:2222" # SSH
     environment:
       - TZ=Europe/Berlin
+    labels:
+      - com.centurylinklabs.watchtower.enable=true
 ######## Networks ########
 networks:
   traefik:

docker-compose/unifi-controller/docker-compose.yml.j2

@@ -21,7 +21,8 @@ services:
       - 5514:5514/udp #optional
     restart: always
     labels:
-      - com.centurylinklabs.watchtower.enable="false"
+      - com.centurylinklabs.watchtower.enable=false
+      - com.centurylinklabs.watchtower.monitor-only=true
 ######## Volumes ########
 volumes:
   data:

docker-compose/watchtower/docker-compose.yml.j2

@@ -0,0 +1,34 @@
+version: "3"
+services:
+  watchtower:
+    container_name: watchtower
+    image: containrrr/watchtower
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    environment:
+      - TZ=Europe/Berlin
+      - WATCHTOWER_CLEANUP=true
+      - WATCHTOWER_INCLUDE_RESTARTING=true
+      - WATCHTOWER_INCLUDE_STOPPED=true
+      - WATCHTOWER_REVIVE_STOPPED=false
+      - WATCHTOWER_POLL_INTERVAL=86400 # (24 hours)
+      - WATCHTOWER_LABEL_ENABLE=true
+      - WATCHTOWER_NOTIFICATIONS=email
+      - WATCHTOWER_NOTIFICATION_EMAIL_FROM=info@mgrote.net
+      - WATCHTOWER_NOTIFICATION_EMAIL_TO=michael.grote@posteo.de
+      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER=smtp.strato.de
+      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PORT=587
+      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_USER=info@mgrote.net
+      - WATCHTOWER_NOTIFICATION_EMAIL_SERVER_PASSWORD={{ lookup('keepass', 'postfix_absender_passwort', 'password') }}
+      - WATCHTOWER_NOTIFICATION_EMAIL_DELAY=2
+      - WATCHTOWER_NO_STARTUP_MESSAGE=true
+    labels:
+      - com.centurylinklabs.watchtower.enable=true
+
+# monitore diesen Container nur
+#   labels:
+#     - com.centurylinklabs.watchtower.monitor-only=true
+# dieser container hängt von x ab
+#     - com.centurylinklabs.watchtower.depends-on=mf-db
+# aktualisiere container
+#     - com.centurylinklabs.watchtower.enable=true

host_vars/docker10.grote.lan.yml

@@ -73,6 +73,8 @@
       state: absent
     - name: librenms
       state: absent
+    - name: watchtower
+      state: present
 
   #### mgrote.set_permissions
   dir_permissions: