docs: add missing variables to example config

Author: jens

docker/.env.example

@@ -20,6 +20,8 @@ CSAF_KEYCLOAK_DATABASE_USER=keycloak
 CSAF_KEYCLOAK_DATABASE_PASSWORD=keycloak
 CSAF_KEYCLOAK_ADMIN_USER=admin
 CSAF_KEYCLOAK_ADMIN_PASSWORD=admin
+CSAF_KEYCLOAK_CLIENT_HOSTNAME_URL=http://localhost
+CSAF_KEYCLOAK_ADMIN_HOSTNAME_URL=http://localhost
 
 # Auth Proxy
 CSAF_REALM=csaf

docker/compose.yaml

@@ -71,7 +71,7 @@ services:
 
       KC_HOSTNAME_URL: ${CSAF_KEYCLOAK_CLIENT_HOSTNAME_URL}
       KC_HOSTNAME_ADMIN_URL: ${CSAF_KEYCLOAK_ADMIN_HOSTNAME_URL}
-      #KC_HOSTNAME: ${CSAF_KEYCLOAK_CLIENT_HOSTNAME_URL}
+      
     volumes:
       - ./config/keycloak:/opt/keycloak/data/import
     healthcheck: