feat: add maintenance page with Nginx configuration and update Traefik rules

docker-compose.yml

@@ -189,12 +189,8 @@ services:
       - "traefik.http.routers.info.service=info"
       - "traefik.http.routers.info.tls.certresolver=letsencrypt"
       - "traefik.http.services.info.loadbalancer.server.port=3000"
-    healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:3000/"]
-      interval: 15s
-      timeout: 10s
-      retries: 3
-      start_period: 60s
+      # MAINTENANCE MIDDLEWARE
+      - "traefik.http.routers.info.middlewares=catch-maintenance@docker"
     depends_on:
       backend:
         condition: service_healthy
@@ -204,6 +200,23 @@ services:
         condition: service_healthy
       tiles:
         condition: service_healthy
+  maintenance-page:
+    image: nginx:alpine
+    restart: always
+    networks:
+      - dokploy-network
+    volumes:
+      - ./manutenzione.sh:/manutenzione.sh:ro
+    entrypoint: ["/bin/sh", "/manutenzione.sh"]
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.maint.rule=Host(`${DOMAIN}`)"
+      - "traefik.http.routers.maint.priority=1"
+      - "traefik.http.routers.maint.entrypoints=websecure"
+      - "traefik.http.services.maintenance-page.loadbalancer.server.port=80"
+      - "traefik.http.middlewares.catch-maintenance.errors.status=500-599"
+      - "traefik.http.middlewares.catch-maintenance.errors.service=maintenance-page"
+      - "traefik.http.middlewares.catch-maintenance.errors.query=/"
 
 networks:
   dokploy-network: