Add flower endpoint to url

.gitlab-ci.yml

@@ -227,7 +227,7 @@ deploy-production:
     NETWORK_NAME: "restapi"
     SHARED_VOLUME: "restapi_data:/var/lib/oneup/"
     CELERY_START_CMD: "celery -A one_api worker -l INFO"
-    CELERY_DASHBOARD_CMD: "celery -A one_api flower --port=5555"
+    CELERY_DASHBOARD_CMD: "celery -A one_api flower --port=5555 --url_prefix=flower"
 
   before_script:
     - docker version