250 lines
8.5 KiB
Markdown
250 lines
8.5 KiB
Markdown
[](https://github.com/docker/login-action/releases/latest)
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[](https://github.com/marketplace/actions/docker-login)
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[](https://github.com/docker/login-action/actions?workflow=ci)
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[](https://github.com/docker/login-action/actions?workflow=test)
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[](https://codecov.io/gh/docker/login-action)
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## About
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GitHub Action to login against a Docker registry.
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> :bulb: See also:
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> * [setup-buildx](https://github.com/docker/setup-buildx-action) action
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> * [setup-qemu](https://github.com/docker/setup-qemu-action) action
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> * [build-push](https://github.com/docker/build-push-action) action
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___
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* [Usage](#usage)
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* [DockerHub](#dockerhub)
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* [GitHub Packages Docker Registry](#github-packages-docker-registry)
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* [GitHub Container Registry](#github-container-registry)
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* [GitLab](#gitlab)
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* [Azure Container Registry (ACR)](#azure-container-registry-acr)
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* [Google Container Registry (GCR)](#google-container-registry-gcr)
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* [AWS Elastic Container Registry (ECR)](#aws-elastic-container-registry-ecr)
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* [Customizing](#customizing)
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* [inputs](#inputs)
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* [Keep up-to-date with GitHub Dependabot](#keep-up-to-date-with-github-dependabot)
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* [Limitation](#limitation)
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## Usage
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### DockerHub
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To authenticate against [DockerHub](https://hub.docker.com) it's strongly recommended to create a
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[personal access token](https://docs.docker.com/docker-hub/access-tokens/) as an alternative to your password.
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```yaml
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name: ci
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on:
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push:
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branches: master
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jobs:
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login:
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runs-on: ubuntu-latest
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steps:
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-
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name: Login to DockerHub
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uses: docker/login-action@v1
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with:
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username: ${{ secrets.DOCKERHUB_USERNAME }}
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password: ${{ secrets.DOCKERHUB_TOKEN }}
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```
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### GitHub Packages Docker Registry
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> :warning: GitHub Packages Docker Registry (aka `docker.pkg.github.com`) **is deprecated** and will sunset early next
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> year. It's strongly advised to [migrate to GitHub Container Registry](https://docs.github.com/en/packages/getting-started-with-github-container-registry/migrating-to-github-container-registry-for-docker-images)
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> instead.
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You can configure the Docker client to use [GitHub Packages to publish and retrieve docker images](https://docs.github.com/en/packages/using-github-packages-with-your-projects-ecosystem/configuring-docker-for-use-with-github-packages).
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```yaml
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name: ci
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on:
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push:
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branches: master
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jobs:
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login:
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runs-on: ubuntu-latest
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steps:
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-
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name: Login to GitHub Packages Docker Registry
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uses: docker/login-action@v1
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with:
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registry: docker.pkg.github.com
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username: ${{ github.repository_owner }}
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password: ${{ secrets.GITHUB_TOKEN }}
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```
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### GitHub Container Registry
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To authenticate against the [GitHub Container Registry](https://docs.github.com/en/packages/getting-started-with-github-container-registry),
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you will need to create a new [personal access token (PAT)](https://docs.github.com/en/github/authenticating-to-github/creating-a-personal-access-token)
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with the [appropriate scopes](https://docs.github.com/en/packages/getting-started-with-github-container-registry/migrating-to-github-container-registry-for-docker-images#authenticating-with-the-container-registry).
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```yaml
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name: ci
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on:
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push:
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branches: master
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jobs:
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login:
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runs-on: ubuntu-latest
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steps:
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-
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name: Login to GitHub Container Registry
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uses: docker/login-action@v1
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with:
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registry: ghcr.io
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username: ${{ github.repository_owner }}
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password: ${{ secrets.CR_PAT }}
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```
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### GitLab
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```yaml
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name: ci
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on:
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push:
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branches: master
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jobs:
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login:
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runs-on: ubuntu-latest
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steps:
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-
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name: Login to GitLab
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uses: docker/login-action@v1
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with:
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registry: registry.gitlab.com
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username: ${{ secrets.GITLAB_USERNAME }}
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password: ${{ secrets.GITLAB_PASSWORD }}
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```
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### Azure Container Registry (ACR)
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[Create a service principal](https://docs.microsoft.com/en-us/azure/container-registry/container-registry-auth-service-principal#create-a-service-principal)
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with access to your container registry through the [Azure CLI](https://docs.microsoft.com/en-us/cli/azure/install-azure-cli)
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and take note of the generated service principal's ID (also called _client ID_) and password (also called _client secret_).
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```yaml
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name: ci
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on:
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push:
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branches: master
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jobs:
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login:
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runs-on: ubuntu-latest
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steps:
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-
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name: Login to ACR
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uses: docker/login-action@v1
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with:
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registry: <registry-name>.azurecr.io
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username: ${{ secrets.AZURE_CLIENT_ID }}
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password: ${{ secrets.AZURE_CLIENT_SECRET }}
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```
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> Replace `<registry-name>` with the name of your registry.
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### Google Container Registry (GCR)
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Use a service account with the ability to push to GCR and [configure access control](https://cloud.google.com/container-registry/docs/access-control).
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Then create and download the JSON key for this service account and save content of `.json` file
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[as a secret](https://docs.github.com/en/actions/configuring-and-managing-workflows/creating-and-storing-encrypted-secrets#creating-encrypted-secrets-for-a-repository)
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called `GCR_JSON_KEY` in your GitHub repo. Ensure you set the username to `_json_key`.
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```yaml
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name: ci
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on:
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push:
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branches: master
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jobs:
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login:
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runs-on: ubuntu-latest
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steps:
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-
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name: Login to GCR
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uses: docker/login-action@v1
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with:
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registry: gcr.io
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username: _json_key
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password: ${{ secrets.GCR_JSON_KEY }}
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```
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### AWS Elastic Container Registry (ECR)
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Use an IAM user with the [ability to push to ECR](https://docs.aws.amazon.com/AmazonECR/latest/userguide/ecr_managed_policies.html).
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Then create and download access keys and save `AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY` [as secrets](https://docs.github.com/en/actions/configuring-and-managing-workflows/creating-and-storing-encrypted-secrets#creating-encrypted-secrets-for-a-repository)
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in your GitHub repo.
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```yaml
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name: ci
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on:
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push:
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branches: master
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jobs:
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login:
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runs-on: ubuntu-latest
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steps:
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name: Login to ECR
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uses: docker/login-action@v1
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with:
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registry: <aws-account-number>.dkr.ecr.<region>.amazonaws.com
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username: ${{ secrets.AWS_ACCESS_KEY_ID }}
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password: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
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```
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> Replace `<aws-account-number>` and `<region>` with their respective values.
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## Customizing
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### inputs
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Following inputs can be used as `step.with` keys
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| Name | Type | Default | Description |
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|------------------|---------|-----------------------------|------------------------------------|
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| `registry` | String | | Server address of Docker registry. If not set then will default to Docker Hub |
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| `username` | String | | Username used to log against the Docker registry |
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| `password` | String | | Password or personal access token used to log against the Docker registry |
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| `logout` | Bool | `true` | Log out from the Docker registry at the end of a job |
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## Keep up-to-date with GitHub Dependabot
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Since [Dependabot](https://docs.github.com/en/github/administering-a-repository/keeping-your-actions-up-to-date-with-github-dependabot)
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has [native GitHub Actions support](https://docs.github.com/en/github/administering-a-repository/configuration-options-for-dependency-updates#package-ecosystem),
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to enable it on your GitHub repo all you need to do is add the `.github/dependabot.yml` file:
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```yaml
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version: 2
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updates:
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# Maintain dependencies for GitHub Actions
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- package-ecosystem: "github-actions"
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directory: "/"
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schedule:
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interval: "daily"
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```
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## Limitation
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This action is only available for Linux [virtual environments](https://help.github.com/en/articles/virtual-environments-for-github-actions#supported-virtual-environments-and-hardware-resources).
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