attempt using staticresponse

compose.error-pages.yml

@@ -1,36 +1,31 @@
 version: '3.8'
 
 services:
-  error-pages:
-    image: tarampampam/error-pages:latest # Using the latest tag is highly discouraged. Please, use tags in X.Y.Z format
-    environment:
-      TEMPLATE_NAME: app-down
-    networks:
-      - proxy
-    deploy:
-      placement:
-        constraints:
-          - node.role == worker
-      labels:
-         - "traefik.enable=true"
-         - "traefik.docker.network=proxy"
-         - # use as "fallback" for any non-registered services (with priority below normal)
-         - "traefik.http.routers.error-pages-router.rule=HostRegexp(`{host:.+}`)"
-         - "traefik.http.routers.error-pages-router.priority=10"
-         - # should say that all of your services work on https
-         - "traefik.http.routers.error-pages-router.tls=true"
-         - "traefik.http.routers.error-pages-router.entrypoints=https"
-         - "traefik.http.routers.error-pages-router.middlewares=error-pages-middleware"
-         - "traefik.http.services.error-pages-service.loadbalancer.server.port=8080"
-         - # "errors" middleware settings
-         - "traefik.http.middlewares.error-pages-middleware.errors.status=400-599"
-         - "traefik.http.middlewares.error-pages-middleware.errors.service=error-pages-service"
-         - "traefik.http.middlewares.error-pages-middleware.errors.query=/{status}.html"
 
   app:
+    command:
+      - --providers.docker
+      - --experimental.plugins.staticresponse.modulename=github.com/jdel/staticresponse
+      - --experimental.plugins.staticresponse.version=v0.0.1
     deploy:
       labels:
-        # next line is important
-        - "traefik.http.routers.${STACK_NAME}.middlewares=error-pages-middleware"
-        - "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=80"
-
+        # custom traefik errors
+        - "traefik.http.middlewares.web-secure.errors.status=400-599"
+        - "traefik.http.middlewares.web-secure.errors.service=down-rule"
+        - "traefik.http.middlewares.web-secure.errors.query=/traefik-http-error/{status}"
+        # catchall rule
+        - "traefik.http.routers.http-catchall.entrypoints=web-secure"
+        - "traefik.http.routers.http-catchall.rule=PathPrefix(`/`)"
+        # lowest possible priority, evaluated when no other router is matched
+        - "traefik.http.routers.http-catchall.priority=1"
+        - "traefik.http.routers.http-catchall.middlewares=503down"
+        # static error message
+        - "traefik.http.middlewares.503down.plugin.staticresponse"
+        - "traefik.http.middlewares.503down.plugin.staticresponse.StatusCode=503"
+        - "traefik.http.middlewares.503down.plugin.staticresponse.Body=Sorry, currently under maintenance. Please try again later."
+        # error page
+        - "traefik.http.routers.down-rule.rule=PathPrefix(`/traefik-http-error`)"
+        - "traefik.http.routers.down-rule.service=noop@internal"
+        - "traefik.http.routers.down-rule.entrypoints=web-secure"
+        - "traefik.http.routers.down-rule.middlewares=503down"
+