add prod url for frontend

docker-compose.yml

@@ -21,8 +21,9 @@ services:
     image: konradkleine/docker-registry-frontend:v2
     restart: always
     environment:
-      - ENV_DOCKER_REGISTRY_HOST=registry
-      - ENV_DOCKER_REGISTRY_PORT=5000
+      - ENV_DOCKER_REGISTRY_HOST=https://docker-registry.stefansaibel.de
+      - ENV_DOCKER_REGISTRY_PORT=443
+      - ENV_DOCKER_REGISTRY_USE_SSL=1
     networks:
       - default
       - saibelstefan-vm-01