Replace traefik dashboard auth with authentik auth

traefik/config/dashboard/dashboard.yml

@@ -1,16 +0,0 @@
-# /services/traefik/config/dashboard/dashboard.yml
-
-http:
-  routers:
-    traefik:
-      entryPoints:
-        - https
-      rule: Host(`traefik.eliasfink.de`)
-      middlewares:
-        - traefik-dashboard-auth
-      service: api@internal
-
-  middlewares:
-    traefik-dashboard-auth:
-      digestAuth:
-        usersFile: /etc/traefik/config/dashboard/users

traefik/config/middlewares/dashboard.yml

@@ -0,0 +1,30 @@
+# /services/traefik/config/middlewares/dashboard.yml
+
+http:
+  routers:
+    traefik:
+      entryPoints:
+        - https
+      rule: Host(`traefik.eliasfink.de`)
+      middlewares:
+        - traefik-dashboard-auth
+      service: api@internal
+
+  middlewares:
+    traefik-dashboard-auth:
+      forwardAuth:
+        address: http://authentik_proxy:9000/outpost.goauthentik.io/auth/traefik
+        trustForwardHeader: true
+        authResponseHeaders:
+          - X-authentik-username
+          - X-authentik-groups
+          - X-authentik-entitlements
+          - X-authentik-email
+          - X-authentik-name
+          - X-authentik-uid
+          - X-authentik-jwt
+          - X-authentik-meta-jwks
+          - X-authentik-meta-outpost
+          - X-authentik-meta-provider
+          - X-authentik-meta-app
+          - X-authentik-meta-version