feat: Adds watchtower to compose file, uses ci built image for caddy.

compose.yaml

@@ -1,8 +1,6 @@
 services:
   caddy:
-    build:
-      context: .
-      dockerfile: Dockerfile
+    image: git.housh.dev/homelab/caddy:latest
     container_name: caddy
     restart: unless-stopped
     env_file:
@@ -18,13 +16,31 @@ services:
     cap_add:
       - NET_ADMIN
     volumes:
-      - ./config:/etc/caddy:z
       - caddy_data:/data
       - caddy_config:/config
     networks:
       - proxy
     security_opt:
       - no-new-privileges:true
+    labels:
+      com.centurylinklabs.watchtower.enable: true
+
+  # This is primarily for pulling and restarting the primary caddy service
+  # because restarting caddy through webhooks spawned by komodo do not really
+  # work, because caddy is the gateway of communication with komodo, therefore
+  # when I tried webhooks it would pull the new data / configuration, stop the caddy service,
+  # and I would have to ssh into the server to restart caddy for changes to take effect.
+  watchtower:
+    image: containrrr/watchtower
+    container_name: watchtower
+    restart: unless-stopped
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    networks:
+      - backend
+    environment:
+      WATCTOWER_LABEL_ENABLE: true
+      WATCHTOWER_POLL_INTERVAL: 300 # 5 minutes
 
 volumes:
   caddy_data: {}
@@ -33,3 +49,5 @@ volumes:
 networks:
   proxy:
     external: true
+  backend:
+    external: true