diff --git a/.docker-compose.https.yml b/.docker-compose.https.yml
index e6726a3..edd9f39 100644
--- a/.docker-compose.https.yml
+++ b/.docker-compose.https.yml
@@ -110,7 +110,7 @@ services:
       - internal
 
   keycloak-ja:
-    image: quay.io/keycloak/keycloak:22.0.3
+    image: quay.io/keycloak/keycloak:26.0.1
     depends_on:
       app-ja:
         condition: service_healthy
@@ -123,7 +123,8 @@ services:
       KC_DB: mariadb
       KC_DB_USERNAME: keycloak
       KC_HTTP_RELATIVE_PATH: /keycloak
-      KC_PROXY: passthrough
+      KC_PROXY: edge
+      KC_HOSTNAME: <clientUrl>/keycloak
     restart: unless-stopped
     command:
       - start-dev
diff --git a/setup.sh b/setup.sh
index 5195554..01b98e9 100644
--- a/setup.sh
+++ b/setup.sh
@@ -133,11 +133,11 @@ KC_DB=mariadb
 KC_DB_USERNAME=keycloak
 KC_DB_PASSWORD=$KEYCLOAK_PW
 KC_DB_URL='jdbc:mariadb://db-ja:3306/keycloak'
-KC_HOSTNAME_URL='$HTTP_METHOD://$PUBLIC_URL/keycloak'
+KC_HOSTNAME='$HTTP_METHOD://$PUBLIC_URL/keycloak'
 KC_HOSTNAME_PATH='$HTTP_METHOD://$PUBLIC_URL/keycloak'
 KC_HOSTNAME_ADMIN_URL='$HTTP_METHOD://$PUBLIC_URL/keycloak'
 KC_HTTP_RELATIVE_PATH=/keycloak
-KC_PROXY=passthrough
+KC_PROXY=edge
 EOL
 
 echo ".env.local Datei wurde erfolgreich erstellt."