From 26fcaaea69c403da1c58c4533575fef7b740f1fb Mon Sep 17 00:00:00 2001
From: 3wc <3wc@doesthisthing.work>
Date: Tue, 16 Nov 2021 16:08:04 +0200
Subject: [PATCH] Add a slot for a second traefik-forward-auth instance

---
 .env.sample            | 1 +
 compose.keycloak.yml   | 4 +++-
 file-provider.yml.tmpl | 8 ++++++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/.env.sample b/.env.sample
index 2a21319..d176cdd 100644
--- a/.env.sample
+++ b/.env.sample
@@ -52,6 +52,7 @@ COMPOSE_FILE="compose.yml"
 #COMPOSE_FILE="$COMPOSE_FILE:compose.keycloak.yml"
 #KEYCLOAK_MIDDLEWARE_ENABLED=1
 #KEYCLOAK_TFA_SERVICE=traefik-forward-auth_app
+#KEYCLOAK_MIDDLEWARE_2_ENABLED=1
 
 #####################################################################
 # Prometheus metrics                                                #
diff --git a/compose.keycloak.yml b/compose.keycloak.yml
index 7c5c853..666baec 100644
--- a/compose.keycloak.yml
+++ b/compose.keycloak.yml
@@ -5,7 +5,9 @@ services:
   app:
     deploy:
       labels:
-        - "traefik.http.routers.traefik.middlewares=keycloak@file"
+        - "traefik.http.routers.${STACK_NAME}.middlewares=keycloak@file"
     environment:
       - KEYCLOAK_MIDDLEWARE_ENABLED
       - KEYCLOAK_TFA_SERVICE
+      - KEYCLOAK_MIDDLEWARE_2_ENABLED
+      - KEYCLOAK_MIDDLEWARE_2_SERVICE
diff --git a/file-provider.yml.tmpl b/file-provider.yml.tmpl
index 51b97d1..f7a22f4 100644
--- a/file-provider.yml.tmpl
+++ b/file-provider.yml.tmpl
@@ -9,6 +9,14 @@ http:
         authResponseHeaders:
           - X-Forwarded-User
     {{ end }}
+    {{ if eq (env "KEYCLOAK_MIDDLEWARE_2_ENABLED") "1" }}
+    keycloak2:
+      forwardAuth:
+        address: "http://${KEYCLOAK_MIDDLEWARE_2_SERVICE}:4181"
+        trustForwardHeader: true
+        authResponseHeaders:
+          - X-Forwarded-User
+    {{ end }}
     security:
       headers:
         frameDeny: true