add custom 502 error page

templates/traefik.services.tpl

@@ -17,6 +17,8 @@ http:
       service: ${subservice.name}
       tls:
         certResolver: letsencrypt
+      middlewares:
+        - redirect-errors
 %{~ endfor }
 %{~ endfor }
     nextcloud:
@@ -26,7 +28,8 @@ http:
       service: nextcloud
       tls:
         certResolver: letsencrypt
-    
+      middlewares:
+        - redirect-errors
     rocket:
       rule: "Host(`discussion.fefan.fr`)"
       entryPoints:
@@ -34,7 +37,8 @@ http:
       service: rocket
       tls:
         certResolver: letsencrypt
-    
+      middlewares:
+        - redirect-errors    
     wiki:
       rule: "Host(`benoit.mathieu.wiki`)"
       entryPoints:
@@ -42,7 +46,8 @@ http:
       service: wiki
       tls:
         certResolver: letsencrypt
-    
+      middlewares:
+        - redirect-errors    
     vaultwarden:
       rule: "Host(`vaultwarden.aldon.fr`)"
       entryPoints:
@@ -50,7 +55,8 @@ http:
       service: vaultwarden
       tls:
         certResolver: letsencrypt
-    
+      middlewares:
+        - redirect-errors
     keycloak:
       rule: "Host(`keycloak.aldon.fr`)"
       entryPoints:
@@ -58,6 +64,8 @@ http:
       service: keycloak
       tls:
         certResolver: letsencrypt
+      middlewares:
+        - redirect-errors
   services:
 %{~ for _, service in services }
 %{~ for _, subservice in service }
@@ -100,7 +108,21 @@ http:
         servers:
           - url: "http://192.168.1.34:8080"
 
+    error-handler-service:
+      loadBalancer:
+        passHostHeader: true
+        servers:
+          - url: "http://127.0.0.1:8090"
   middlewares:
     redirect-to-https:
       redirectScheme:
-        scheme: https
+        scheme: https
+    redirect-errors:
+      errors:
+        status:
+          - "500"
+          - "501"
+          - "503"
+          - "502"
+        service: error-handler-service
+        query: "/502.html"