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Deploy a function | Cloud Run functions Documentation

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Deploy a function

This guide shows you how to deploy a function from source code using the gcloud functions command. To learn how to deploy a function using the gcloud run command, see Deploy a Cloud Run function using the gcloud CLI.

The deployment process takes your source code and configuration settings and builds a runnable image that Cloud Run functions manages automatically in order to handle requests to your function.

Deployment basics

For an introduction on the type of functions you can deploy, see Write Cloud Run functions.

Users deploying functions must have the Cloud Functions Developer IAM role or a role that includes the same permissions. See also Additional configuration for deployment.

  1. In the Google Cloud console, activate Cloud Shell.

    Activate Cloud Shell

    At the bottom of the Google Cloud console, a Cloud Shell session starts and displays a command-line prompt. Cloud Shell is a shell environment with the Google Cloud CLI already installed and with values already set for your current project. It can take a few seconds for the session to initialize.

  2. Use the gcloud functions deploy command to deploy a function:

    gcloud functions deploy YOUR_FUNCTION_NAME \
       --region=YOUR_REGION \
       --runtime=YOUR_RUNTIME \
       --source=YOUR_SOURCE_LOCATION \
       --entry-point=YOUR_CODE_ENTRYPOINT \
       TRIGGER_FLAGS
    

    The first argument, YOUR_FUNCTION_NAME, is a name for your deployed function. The function name must start with a letter followed by up to 62 letters, numbers, hyphens, or underscores, and must end with a letter or a number. The name of the Cloud Run service that is created for your function will replace underscores with hyphens and uppercase letters will be converted to lowercase. For example, Function_1 will be given the name function-1 in Cloud Run.

    Note: Run gcloud config set functions/gen2 true to set all future first time deployments.

When deployment finishes successfully, functions appear with a green check mark in the Cloud Run overview page in the Google Cloud console.

The initial deployment of a function may take several minutes, while the underlying infrastructure is provisioned. Redeploying an existing function is faster, and incoming traffic is automatically migrated to the newest version.

Note: Instances provisioned with a previous version of a function may continue running and processing traffic for several minutes after a new deployment has finished. This ensures that traffic sent to your function while a deployment is in progress isn't dropped. Also note that when a deployment fails, if there is a previous version of the function, it will continue to be available in most cases. HTTP endpoint URL

When you create a function with the gcloud functions command or the Cloud Functions v2 API, by default, the function has a cloudfunctions.net HTTP endpoint URL. If you take this function and deploy it on Cloud Run, your function also receives a run.app HTTP endpoint URL. However, functions created in Cloud Run won't have an cloudfunctions.net HTTP endpoint URL. A function's cloudfunctions.net URL and run.app URL behave in exactly the same way. They are interchangeable, and are used to trigger your function.

Terraform examples

For examples about how to deploy functions using Terraform, see the Terraform HTTP example and Terraform Pub/Sub example.

Configure networking

Functions created using the Cloud Functions v2 API (for example, by using gcloud functions, the REST API, or Terraform) can be managed with the Cloud Run Admin API as well as the Cloud Functions v2 API.

Note: If you created a Cloud Run function using gcloud run commands or the Cloud Run Admin API, you can't manage that function with gcloud functions commands or the Cloud Functions v2 API.

To learn more about managing networks for functions, including how to route VPC network traffic, see Best practices for Cloud Run networking.

Learn how to deploy Cloud Run functions on Cloud Run

Deploying functions on Cloud Run is similar to the steps described in this document, but with some added advantages:

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-08-07 UTC.

[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["This guide outlines how to deploy a Cloud Run function from source code, which involves building a runnable image automatically managed by Cloud Run to handle requests."],["Deployment requires the Cloud Functions Developer IAM role or equivalent permissions and can be initiated using the `gcloud functions deploy` command in Cloud Shell, specifying details like function name, region, runtime, source location, and entry point."],["Functions can be triggered by HTTP requests, Pub/Sub messages, Cloud Storage events, or Eventarc events, each requiring specific trigger flags in the deployment command."],["Source code for deployment can be located on your local machine or in a Cloud Storage bucket, with the latter requiring the Cloud Run functions service agent to have `storage.objects.get` permission."],["The initial deployment of a function can take several minutes, while redeployments are faster, and the deployment process also includes excluding unnecessary files through the `.gcloudignore` file."]]],[]]


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