diff --git a/deployment/.env.example b/deployment/.env.example
index 1b60215..c355fed 100755
--- a/deployment/.env.example
+++ b/deployment/.env.example
@@ -6,6 +6,7 @@ LEGALCONSENTHUB_POSTGRES_DB=legalconsenthub
 KEYCLOAK_POSTGRES_USER=keycloak
 KEYCLOAK_POSTGRES_PASSWORD=keycloak
 KEYCLOAK_POSTGRES_DB=keycloak
+KEYCLOAK_ISSUER_URL=http://keycloak.lugnas.de
 
 # Keycloak Configuration
 KEYCLOAK_ADMIN=admin
diff --git a/deployment/docker-compose-prod.yaml b/deployment/docker-compose-prod.yaml
index 84fbcf6..5d73b73 100755
--- a/deployment/docker-compose-prod.yaml
+++ b/deployment/docker-compose-prod.yaml
@@ -14,8 +14,8 @@ services:
       LEGALCONSENTHUB_DB_URL: jdbc:postgresql://legalconsenthub-db:5432/${LEGALCONSENTHUB_POSTGRES_DB}
       LEGALCONSENTHUB_DB_APP_USER: ${LEGALCONSENTHUB_POSTGRES_USER}
       LEGALCONSENTHUB_DB_PASSWORD: ${LEGALCONSENTHUB_POSTGRES_PASSWORD}
-      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_ISSUER_URI: http://keycloak:8080/realms/${KEYCLOAK_REALM}
-      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_JWK_SET_URI: http://keycloak:8080/realms/${KEYCLOAK_REALM}/protocol/openid-connect/certs
+      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_ISSUER_URI: ${KEYCLOAK_ISSUER_URL}/realms/${KEYCLOAK_REALM}
+      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_JWK_SET_URI: ${KEYCLOAK_ISSUER_URL}/realms/${KEYCLOAK_REALM}/protocol/openid-connect/certs
       SERVER_PORT: 8080
     ports:
       - "8080:8080"