만들기를 클릭하고 Cloud Run이 자리표시자 버전을 사용해서 서비스를 만들 때까지 기다립니다.
콘솔이 함수의 소스 코드를 볼 수 있는 소스로 리디렉션됩니다. 저장 및 재배포를 클릭합니다.
함수가 배포된 후 런타임 버전을 업데이트하는 방법에 대한 자세한 내용은 새 소스 코드 재배포를 참조하세요.
소스 코드 구조
Cloud Run Functions에서 함수 정의를 찾으려면 소스 코드가 특정 구조를 따라야 합니다. 자세한 내용은 Cloud Run Functions 작성을 참고하세요.
종속 항목 지정
Go로 작성한 Cloud Run Functions는 Go 모듈과 go.mod 파일 또는 vendor 디렉터리로 모든 종속 항목을 제공해야 합니다. 자세한 내용은 Go에서 종속 항목 지정을 참조하세요.
환경 변수
Go 런타임은 필요에 따라 사용할 함수의 특정 환경 변수를 자동으로 설정합니다. 자세한 내용은 환경 변수 구성을 참고하세요.
Context 유형
Go의 context 패키지가 정의하는 Context 유형은 API 경계를 넘어 프로세스 간에 기한, 취소 신호, 기타 요청 범위 값을 전달합니다.
다음 코드는 Pub/Sub 클라이언트의 컨텍스트 액세스 예시를 보여줍니다.
// Package helloworld provides a set of Cloud Functions samples.packagehelloworldimport("context""fmt""log""github.com/GoogleCloudPlatform/functions-framework-go/functions""github.com/cloudevents/sdk-go/v2/event")funcinit(){functions.CloudEvent("HelloPubSub",helloPubSub)}// MessagePublishedData contains the full Pub/Sub message// See the documentation for more details:// https://cloud.google.com/eventarc/docs/cloudevents#pubsubtypeMessagePublishedDatastruct{MessagePubSubMessage}// PubSubMessage is the payload of a Pub/Sub event.// See the documentation for more details:// https://cloud.google.com/pubsub/docs/reference/rest/v1/PubsubMessagetypePubSubMessagestruct{Data[]byte`json:"data"`}// helloPubSub consumes a CloudEvent message and extracts the Pub/Sub message.funchelloPubSub(ctxcontext.Context,eevent.Event)error{varmsgMessagePublishedDataiferr:=e.DataAs(&msg);err!=nil{returnfmt.Errorf("event.DataAs: %w",err)}name:=string(msg.Message.Data)// Automatically decoded from base64.ifname==""{name="World"}log.Printf("Hello, %s!",name)returnnil}
[[["이해하기 쉬움","easyToUnderstand","thumb-up"],["문제가 해결됨","solvedMyProblem","thumb-up"],["기타","otherUp","thumb-up"]],[["이해하기 어려움","hardToUnderstand","thumb-down"],["잘못된 정보 또는 샘플 코드","incorrectInformationOrSampleCode","thumb-down"],["필요한 정보/샘플이 없음","missingTheInformationSamplesINeed","thumb-down"],["번역 문제","translationIssue","thumb-down"],["기타","otherDown","thumb-down"]],["최종 업데이트: 2025-07-15(UTC)"],[],[],null,["# The Go runtime\n\nYour Cloud Run function runs in an environment consisting of an\noperating system version with add-on packages, language support, and\nthe [Go Functions Framework](https://github.com/GoogleCloudPlatform/functions-framework-go)\nlibrary that supports and invokes your function. This environment is identified\nby the language version, and is known as the runtime ID.\n\nFunction preparation\n--------------------\n\nYou can prepare a function directly from the Google Cloud console or write it on\nyour local machine and upload it. To prepare your local machine for Go\ndevelopment, see [Set up a Go development environment](/go/docs/setup).\n\nSupported Go runtimes and base images\n-------------------------------------\n\n| **Note:** Go's [release policy](https://go.dev/doc/devel/release#policy) states that each major Go release is supported until there are two newer major releases. Thus, depending on when newer versions of Go are made publicly available, key dates such as end of support, deprecation, and decommission might be postponed.\n\nSelect your runtime\n-------------------\n\nYou can select one of the supported Go runtimes for your function during\ndeployment.\n\nYou can select a runtime version using the Google Cloud console, or the\ngcloud CLI. Click the tab for instructions on using the tool of\nyour choice: \n\n### gcloud\n\nSpecify the [Go base image](/run/docs/configuring/services/runtime-base-images#how_to_obtain_base_images) for your function using the `--base-image` flag,\nwhile deploying your function. For example: \n\n gcloud run deploy \u003cvar translate=\"no\"\u003eFUNCTION\u003c/var\u003e \\\n --source . \\\n --function \u003cvar translate=\"no\"\u003eFUNCTION_ENTRYPOINT\u003c/var\u003e \\\n --base-image go125\n\nReplace:\n\n- \u003cvar translate=\"no\"\u003eFUNCTION\u003c/var\u003e with the name of the function you are\n deploying. You can omit this parameter entirely,\n but you will be prompted for the name if you omit it.\n\n- \u003cvar translate=\"no\"\u003eFUNCTION_ENTRYPOINT\u003c/var\u003e with the entry point to your function in\n your source code. This is the code Cloud Run executes when your\n function runs. The value of this flag must be a function name or\n fully-qualified class name that exists in your source code.\n\nFor detailed instructions on deploying a function using the gcloud CLI, see [Deploy functions in Cloud Run](/run/docs/deploy-functions#gcloud).\n\n### Console\n\nYou can select a runtime version when you create or update a Cloud Run function in the Google Cloud console. For detailed\ninstructions on deploying a function, see [Deploy functions in Cloud Run](/run/docs/deploy-functions#deploy-functions).\n\nTo select a runtime in the Google Cloud console when you create a function, follow these steps:\n\n1. In the Google Cloud console, go to the Cloud Run page:\n\n [Go to Cloud Run](https://console.cloud.google.com/run)\n2. Click **Write a function**.\n\n3. In the **Runtime** list, select a Go runtime version.\n\n4. Click **Create**, and wait for Cloud Run to create the service\n using a placeholder revision.\n\n5. The console will redirect you to the **Source**\n tab where you can see the source code of your function. Click **Save and redeploy**.\n\nFor detailed instructions on updating the runtime version after your function is\ndeployed, see\n[Re-deploy new source code](/run/docs/deploy-functions#update-code-functions).\n\nSource code structure\n---------------------\n\nFor Cloud Run functions to find your function's definition, your\nsource code must follow a specific structure. See\n[Write Cloud Run functions](/run/docs/write-functions#go) for more\ninformation.\n\nSpecify dependencies\n--------------------\n\nCloud Run functions in Go must provide all of their dependencies\neither with Go modules and a `go.mod` file, or with a `vendor` directory. For\nmore information, see [Specify dependencies in Go](/run/docs/runtimes/go-dependencies).\n\nEnvironment variables\n---------------------\n\nYour Go runtime automatically sets certain environment variables for your function\nto use as needed. For details, see\n[Configure environment variables](/run/docs/configuring/services/environment-variables).\n\n`Context` type\n--------------\n\n[Go's `context` package](https://golang.org/pkg/context/) defines the `Context`\ntype, which carries deadlines, cancellation signals, and other request-scoped\nvalues across API boundaries and between processes.\n\nThe following code shows an example of context access by a\nPub/Sub client: \n\n\n // Package helloworld provides a set of Cloud Functions samples.\n package helloworld\n\n import (\n \t\"context\"\n \t\"fmt\"\n \t\"log\"\n\n \t\"github.com/GoogleCloudPlatform/functions-framework-go/functions\"\n \t\"github.com/cloudevents/sdk-go/v2/event\"\n )\n\n func init() {\n \tfunctions.CloudEvent(\"HelloPubSub\", helloPubSub)\n }\n\n // MessagePublishedData contains the full Pub/Sub message\n // See the documentation for more details:\n // https://cloud.google.com/eventarc/docs/cloudevents#pubsub\n type MessagePublishedData struct {\n \tMessage PubSubMessage\n }\n\n // PubSubMessage is the payload of a Pub/Sub event.\n // See the documentation for more details:\n // https://cloud.google.com/pubsub/docs/reference/rest/v1/PubsubMessage\n type PubSubMessage struct {\n \tData []byte `json:\"data\"`\n }\n\n // helloPubSub consumes a CloudEvent message and extracts the Pub/Sub message.\n func helloPubSub(ctx context.Context, e event.Event) error {\n \tvar msg MessagePublishedData\n \tif err := e.DataAs(&msg); err != nil {\n \t\treturn fmt.Errorf(\"event.DataAs: %w\", err)\n \t}\n\n \tname := string(msg.Message.Data) // Automatically decoded from base64.\n \tif name == \"\" {\n \t\tname = \"World\"\n \t}\n \tlog.Printf(\"Hello, %s!\", name)\n \treturn nil\n }"]]
