relaxed healthcheck

ci/prod/compose/frontend.yml

@@ -31,7 +31,7 @@ services:
       - "0.0.0.0:${FRONTEND_HTTP_PORT}:80"
       - "0.0.0.0:${FRONTEND_HTTPS_PORT}:443"
     healthcheck:
-      test: ["CMD-SHELL","curl -sf http://localhost:80/ >/dev/null"]
+      test: ["CMD", "curl", "-f", "http://localhost:2019/config"]
       interval: 30s
       timeout: 10s
       retries: 3