traefik: error-pages added (#514)

Co-authored-by: Michael Grote <michael.grote@posteo.de>
Reviewed-on: #514

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

@@ -28,9 +28,13 @@ services:
       traefik.http.routers.miniflux.tls.certresolver: resolver_letsencrypt
       traefik.http.routers.miniflux.entrypoints: entry_https
       traefik.http.services.miniflux.loadbalancer.server.port: 8080
+      
+      traefik.http.routers.miniflux.middlewares: error-pages-middleware
+
       com.centurylinklabs.watchtower.enable: true
       com.centurylinklabs.watchtower.depends-on: mf-db
 
+
 ######## PostGreSQL ########
   db:
     container_name: "mf-db"

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

@@ -36,6 +36,8 @@ services:
       traefik.http.routers.navidrome-mg.entrypoints: entry_https
       traefik.http.services.navidrome-mg.loadbalancer.server.port: 4533
 
+      traefik.http.routers.navidrome-mg.middlewares: error-pages-middleware
+
       com.centurylinklabs.watchtower.enable: true
     ports:
       - "4533:4533"

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

@@ -106,7 +106,7 @@ services:
       traefik.http.middlewares.nextcloud-hsts.headers.stsseconds: 15552001
       traefik.http.middlewares.nextcloud-hsts.headers.isdevelopment: false
 
-      traefik.http.routers.nextcloud.middlewares: nextcloud-hsts@docker,nextcloud-webdav@docker
+      traefik.http.routers.nextcloud.middlewares: nextcloud-hsts,nextcloud-webdav,error-pages-middleware
 
 ######## Networks ########
 networks:

docker-compose/registry/docker-compose.yml.j2

@@ -27,6 +27,8 @@ services:
       traefik.http.routers.registry.middlewares: registry-ipwhitelist
       traefik.http.middlewares.registry-ipwhitelist.ipwhitelist.sourcerange: 192.168.0.0/17
 
+      traefik.http.routers.registry.middlewares: error-pages-middleware
+
       com.centurylinklabs.watchtower.depends-on: oci-registry-redis
       com.centurylinklabs.watchtower.enable: true
 
@@ -63,7 +65,7 @@ services:
       - intern
     labels:
       traefik.http.routers.registry-ui.rule: Host(`registry.mgrote.net`)&&PathPrefix(`/ui`) # mache unter /ui erreichbar, damit wird demPfad dieser Prefix hinzugefügt, die Anwendung "hört" dort abrer nicht
-      traefik.http.routers.registry-ui.middlewares: registry-ui-strip-prefix,registry-ui-auth  # also entferne den Prefix danach wieder
+      traefik.http.routers.registry-ui.middlewares: registry-ui-strip-prefix,registry-ui-auth,error-pages-middleware  # also entferne den Prefix danach wieder
       traefik.http.middlewares.registry-ui-strip-prefix.stripprefix.prefixes: /ui # hier ist die Middleware definiert
       traefik.enable: true
       traefik.http.routers.registry-ui.tls: true

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

@@ -21,6 +21,34 @@ services:
       TZ: Europe/Berlin
     labels:
       com.centurylinklabs.watchtower.enable: true
+######## traefik ########
+# https://github.com/tarampampam/error-pages/wiki/Traefik-(docker-compose)
+  error-pages:
+    container_name: "traefik-error-pages"
+    image: tarampampam/error-pages:2
+    environment:
+      TEMPLATE_NAME: ghost
+    labels:
+      com.centurylinklabs.watchtower.enable: true
+
+      traefik.enable: true
+      # 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.entrypoints: entry_https
+      traefik.http.routers.error-pages-router.middlewares: error-pages-middleware
+      # "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
+      # define service properties
+      traefik.http.services.error-pages-service.loadbalancer.server.port: 8080
+    depends_on:
+      - traefik
+    networks:
+      - traefik
+
 ######## Networks ########
 networks:
   traefik:

docker-compose/traefik/file-provider.yml

@@ -25,6 +25,8 @@ http:
         - entry_https
       tls:
         certresolver: resolver_letsencrypt
+      middlewares:
+        - error-pages-middleware@docker
     router_gitea:
       rule: "Host(`git.mgrote.net`)"
       service: "service_gitea"