[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-09-04。"],[[["\u003cp\u003eThe Extensible Service Proxy (ESP) can be configured to support CORS, as described in the documentation about adding CORS support to ESP.\u003c/p\u003e\n"],["\u003cp\u003eIf ESP's default options are insufficient, you can customize CORS support by editing the \u003ccode\u003enginx.conf\u003c/code\u003e configuration file.\u003c/p\u003e\n"],["\u003cp\u003eA sample \u003ccode\u003enginx.conf\u003c/code\u003e file, or an existing one from a deployed ESP container, can serve as the basis for customization.\u003c/p\u003e\n"],["\u003cp\u003eAfter adding your required CORS options to \u003ccode\u003enginx.conf\u003c/code\u003e, ESP must be started with the \u003ccode\u003e--nginx_config\u003c/code\u003e option pointing to this modified file.\u003c/p\u003e\n"]]],[],null,["# Creating a Custom nginx.conf to Support CORS\n\n[OpenAPI](/endpoints/docs/openapi/custom-cors-nginx \"View this page for the Cloud Endpoints OpenAPI docs\") \\| gRPC\n\n\u003cbr /\u003e\n\nAs described in [Adding CORS support to\nESP](/endpoints/docs/grpc/specify-proxy-startup-options#adding_cors_support_to_esp),\nyou can configure the [Extensible Service Proxy\n(ESP)](/endpoints/docs/grpc/glossary#extensible_service_proxy) to support CORS.\nIf the ESP options don't provide the CORS support that your\napplication requires, you can add the CORS options to ESP's configuration file,\n`nginx.conf`.\n\nAdding the CORS options to `nginx.conf`\n---------------------------------------\n\nTo add the CORS options:\n\n1. Start with a `nginx.conf` file that contains the configuration required by\n Cloud Endpoints. You can start with the [sample\n `nginx.conf`](https://github.com/GoogleCloudPlatform/endpoints-samples/blob/master/k8s/nginx.conf),\n or if you have already deployed ESP, you can SSH to the ESP container and\n copy the `nginx.conf` file from the `/etc/nginx/endpoints/` directory.\n\n2. Add the CORS options that your application requires to `nginx.conf`. You can\n use the [CORS on NGINX](https://enable-cors.org/server_nginx.html) example\n as a starting point.\n\n3. Start ESP with the `--nginx_config` option with the path to the custom\n `nginx.conf` file.\n\nWhat's next\n-----------\n\n- Learn about [ESP's startup options](/endpoints/docs/grpc/specify-proxy-startup-options).\n\n- Learn how to [SSH to ESP's container on GKE](/endpoints/docs/grpc/troubleshoot-gke-deployment#checking_configuration_files).\n\n- Learn about [using a custom nginx.conf on GKE](/endpoints/docs/grpc/custom-nginx)."]]