480 lines
17 KiB
Markdown
480 lines
17 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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___
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* [Usage](#usage)
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* [Docker Hub](#docker-hub)
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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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* [Google Artifact Registry (GAR)](#google-artifact-registry-gar)
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* [AWS Elastic Container Registry (ECR)](#aws-elastic-container-registry-ecr)
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* [AWS Public Elastic Container Registry (ECR)](#aws-public-elastic-container-registry-ecr)
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* [OCI Oracle Cloud Infrastructure Registry (OCIR)](#oci-oracle-cloud-infrastructure-registry-ocir)
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* [Quay.io](#quayio)
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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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## Usage
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### Docker Hub
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To authenticate against [Docker Hub](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: main
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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 Docker Hub
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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 Container Registry
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To authenticate against the [GitHub Container Registry](https://docs.github.com/en/packages/working-with-a-github-packages-registry/working-with-the-container-registry),
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use the [`GITHUB_TOKEN`](https://docs.github.com/en/actions/reference/authentication-in-a-workflow) for the best
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security and experience.
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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: main
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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.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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```
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You may need to [manage write and read access of GitHub Actions](https://docs.github.com/en/packages/managing-github-packages-using-github-actions-workflows/publishing-and-installing-a-package-with-github-actions#upgrading-a-workflow-that-accesses-ghcrio)
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for repositories in the container settings.
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You can also use a [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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### 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: main
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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: main
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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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> [Google Artifact Registry](#google-artifact-registry-gar) is the evolution of Google Container Registry. As a
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> fully-managed service with support for both container images and non-container artifacts. If you currently use
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> Google Container Registry, use the information [on this page](https://cloud.google.com/artifact-registry/docs/transition/transition-from-gcr)
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> to learn about transitioning to Google Artifact Registry.
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You can use either workload identity federation based keyless authentication or service account based authentication.
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#### Workload identity federation based authentication
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Configure the workload identity federation for github actions in gcloud (for steps, [refer here](https://github.com/google-github-actions/auth#setting-up-workload-identity-federation)). In the steps, your service account should the ability to push to GCR. Then use google-github-actions/auth action for authentication using workload identity like below:
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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: main
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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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- id: 'auth'
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name: 'Authenticate to Google Cloud'
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uses: 'google-github-actions/auth@v0'
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with:
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token_format: 'access_token'
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workload_identity_provider: '<workload_identity_provider>'
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service_account: '<service_account>'
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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: oauth2accesstoken
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password: ${{ steps.auth.outputs.access_token }}
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```
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> Replace `<workload_identity_provider>` with configured workload identity provider. For steps to configure, [refer here](https://github.com/google-github-actions/auth#setting-up-workload-identity-federation).
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> Replace `<service_account>` with configured service account in workload identity provider which has access to push to GCR
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#### Service account based authentication
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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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or `_json_key_base64` if you use a base64-encoded 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: main
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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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### Google Artifact Registry (GAR)
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You can use either workload identity federation based keyless authentication or service account based authentication.
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#### Workload identity federation based authentication
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Configure the workload identity federation for github actions in gcloud (for steps, [refer here](https://github.com/google-github-actions/auth#setting-up-workload-identity-federation)). In the steps, your service account should the ability to push to GAR. Then use google-github-actions/auth action for authentication using workload identity like below:
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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: main
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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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- id: 'auth'
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name: 'Authenticate to Google Cloud'
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uses: 'google-github-actions/auth@v0'
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with:
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token_format: 'access_token'
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workload_identity_provider: '<workload_identity_provider>'
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service_account: '<service_account>'
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- name: Login to GAR
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uses: docker/login-action@v1
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with:
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registry: <location>-docker.pkg.dev
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username: oauth2accesstoken
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password: ${{ steps.auth.outputs.access_token }}
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```
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> Replace `<workload_identity_provider>` with configured workload identity provider
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> Replace `<service_account>` with configured service account in workload identity provider which has access to push to GCR
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> Replace `<location>` with the regional or multi-regional [location](https://cloud.google.com/artifact-registry/docs/repo-organize#locations)
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> of the repository where the image is stored.
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#### Service account based authentication
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Use a service account with the ability to push to GAR and [configure access control](https://cloud.google.com/artifact-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 `GAR_JSON_KEY` in your GitHub repo. Ensure you set the username to `_json_key`,
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or `_json_key_base64` if you use a base64-encoded 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: main
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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 GAR
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uses: docker/login-action@v1
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with:
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registry: <location>-docker.pkg.dev
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username: _json_key
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password: ${{ secrets.GAR_JSON_KEY }}
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```
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> Replace `<location>` with the regional or multi-regional [location](https://cloud.google.com/artifact-registry/docs/repo-organize#locations)
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> of the repository where the image is stored.
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### AWS Elastic Container Registry (ECR)
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Use an IAM user with the ability to [push to ECR with `AmazonEC2ContainerRegistryPowerUser` managed policy for example](https://docs.aws.amazon.com/AmazonECR/latest/userguide/ecr_managed_policies.html#AmazonEC2ContainerRegistryPowerUser).
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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: main
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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 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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If you need to log in to Amazon ECR registries associated with other accounts, you can use the `AWS_ACCOUNT_IDS`
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environment variable:
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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: main
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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 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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env:
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AWS_ACCOUNT_IDS: 012345678910,023456789012
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```
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> Only available with [AWS CLI version 1](https://docs.aws.amazon.com/cli/latest/reference/ecr/get-login.html)
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You can also use the [Configure AWS Credentials](https://github.com/aws-actions/configure-aws-credentials) action in
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combination with this action:
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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: main
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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: Configure AWS Credentials
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uses: aws-actions/configure-aws-credentials@v1
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with:
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aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
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aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
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aws-region: <region>
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-
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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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```
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> Replace `<aws-account-number>` and `<region>` with their respective values.
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### AWS Public Elastic Container Registry (ECR)
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Use an IAM user with the ability to [push to ECR Public with `AmazonElasticContainerRegistryPublicPowerUser` managed policy for example](https://docs.aws.amazon.com/AmazonECR/latest/public/public-ecr-managed-policies.html#AmazonElasticContainerRegistryPublicPowerUser).
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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: main
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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 Public ECR
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uses: docker/login-action@v1
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with:
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registry: public.ecr.aws
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username: ${{ secrets.AWS_ACCESS_KEY_ID }}
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password: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
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env:
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AWS_REGION: <region>
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```
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> Replace `<region>` with its respective value (default `us-east-1`).
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### OCI Oracle Cloud Infrastructure Registry (OCIR)
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To push into OCIR in specific tenancy the [username](https://www.oracle.com/webfolder/technetwork/tutorials/obe/oci/registry/index.html#LogintoOracleCloudInfrastructureRegistryfromtheDockerCLI)
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must be placed in format `<tenancy>/<username>` (in case of federated tenancy use the format
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`<tenancy-namespace>/oracleidentitycloudservice/<username>`).
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For password [create an auth token](https://www.oracle.com/webfolder/technetwork/tutorials/obe/oci/registry/index.html#GetanAuthToken).
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Save username and token [as a 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: main
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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 OCIR
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uses: docker/login-action@v1
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with:
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registry: <region>.ocir.io
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username: ${{ secrets.OCI_USERNAME }}
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password: ${{ secrets.OCI_TOKEN }}
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```
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> Replace `<region>` with their respective values from [availability regions](https://docs.cloud.oracle.com/iaas/Content/Registry/Concepts/registryprerequisites.htm#Availab)
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### Quay.io
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Use a [Robot account](https://docs.quay.io/glossary/robot-accounts.html) with the ability to push to a public/private Quay.io repository.
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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: main
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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 Quay.io
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uses: docker/login-action@v1
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with:
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registry: quay.io
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username: ${{ secrets.QUAY_USERNAME }}
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password: ${{ secrets.QUAY_ROBOT_TOKEN }}
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```
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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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| `ecr` | String | `auto` | Specifies whether the given registry is ECR (`auto`, `true` or `false`) |
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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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