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deploy-pages/README.md

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# deploy-pages 🚀
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[![Release](https://img.shields.io/github/v/release/actions/deploy-pages?label=Release&logo=github)](https://github.com/actions/deploy-pages/releases/latest) [![Linting](https://img.shields.io/github/actions/workflow/status/actions/deploy-pages/check-linter.yml?label=Linting&logo=github)](https://github.com/actions/deploy-pages/actions/workflows/check-linter.yml) [![Formatting](https://img.shields.io/github/actions/workflow/status/actions/deploy-pages/check-formatting.yml?label=Formatting&logo=github)](https://github.com/actions/deploy-pages/actions/workflows/check-formatting.yml) [![Tests](https://img.shields.io/github/actions/workflow/status/actions/deploy-pages/test.yml?label=Tests&logo=github)](https://github.com/actions/deploy-pages/actions/workflows/test.yml) ![Coverage](./coverage_badge.svg) [![Distributables](https://img.shields.io/github/actions/workflow/status/actions/deploy-pages/check-dist.yml?label=Distributables&logo=github)](https://github.com/actions/deploy-pages/actions/workflows/check-dist.yml) [![CodeQL](https://img.shields.io/github/actions/workflow/status/actions/deploy-pages/codeql-analysis.yml?label=CodeQL&logo=github)](https://github.com/actions/deploy-pages/actions/workflows/codeql-analysis.yml)
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This action is used to deploy [Actions artifacts][artifacts] to [GitHub Pages](https://pages.github.com/).
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## Usage
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See [action.yml](action.yml) for the various `inputs` this action supports.
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For examples that make use of this action, check out our [starter-workflows][starter-workflows] in a variety of frameworks.
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This action expects an artifact named `github-pages` to have been created prior to execution. This is done automatically when using [`actions/upload-pages-artifact`][upload-pages-artifact].
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We recommend this action to be used in a dedicated job:
```yaml
jobs:
# Build job
build:
# <Not provided for brevity>
# At a minimum this job should upload artifacts using actions/upload-pages-artifact
# Deploy job
deploy:
# Add a dependency to the build job
needs: build
# Grant GITHUB_TOKEN the permissions required to make a Pages deployment
permissions:
pages: write # to deploy to Pages
id-token: write # to verify the deployment originates from an appropriate source
# Deploy to the github-pages environment
environment:
name: github-pages
url: ${{ steps.deployment.outputs.page_url }}
# Specify runner + deployment step
runs-on: ubuntu-latest
steps:
- name: Deploy to GitHub Pages
id: deployment
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uses: actions/deploy-pages@v2 # or the latest "vX.X.X" version tag for this action
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```
### Inputs 📥
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| Input | Required? | Default | Description |
| ----- | --------- | ------- | ----------- |
| `token` | `true` | `${{ github.token }}` | The GitHub token used to create an authenticated client - Provided for you by default! |
| `timeout` | `false` | `"600000"` | Time in milliseconds after which to timeout and cancel the deployment (default: 10 minutes) |
| `error_count` | `false` | `"10"` | Maximum number of status report errors before cancelling a deployment (default: 10) |
| `reporting_interval` | `false` | `"5000"` | Time in milliseconds between two deployment status report (default: 5 seconds) |
| `artifact_name` | `false` | `"github-pages"` | The name of the artifact to deploy |
| `preview` | `false` | `"false"` | Is this attempting to deploy a pull request as a GitHub Pages preview site? (NOTE: This feature is only in alpha currently and is not available to the public!) |
### Outputs 📤
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| Output | Description |
| ------ | ----------- |
| `page_url` | The URL of the deployed Pages site |
### Environment Variables 🌎
| Variable | Description |
| -------- | ----------- |
| `GITHUB_PAGES` | This environment variable is created and set to the string value `"true"` so that framework build tools may choose to differentiate their output based on the intended target hosting platform. |
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## Scope
⚠️ Official support for building Pages with Actions is in public beta at the moment.
## Security Considerations
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There are a few important considerations to be aware of:
1. The artifact being deployed must have been uploaded in a previous step, either in the same job or a separate job that doesn't execute until the upload is complete.
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2. The job that executes the deployment must at minimum have the following permissions:
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- `pages: write`
- `id-token: write`
3. The deployment should target the `github-pages` environment (you may use a different environment name if needed, but this is not recommended.)
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4. If your Pages site is using a source branch, the deployment must originate from this source branch unless [your environment is protected][environment-protection] in which case the environment protection rules take precedence over the source branch rule
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5. If your Pages site is using GitHub Actions as the source, while not required we highly recommend you also [protect your environment][environment-protection] (we will configure it by default for you).
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## Compatibility
This action is primarily design for use with GitHub.com's Actions workflows and Pages deployments. However, certain releases should also be compatible with GitHub Enterprise Server (GHES) `3.7` and above.
| Release | GHES Compatibility |
|:---|:---|
| [`v2`](https://github.com/actions/deploy-pages/releases/tag/v2) | 🛑 Incompatible. Anticipating compatibility with `>= 3.9`. |
| [`v2.0.1`](https://github.com/actions/deploy-pages/releases/tag/v2.0.1) | 🛑 Incompatible. Anticipating compatibility with `>= 3.9`. |
| [`v2.0.0`](https://github.com/actions/deploy-pages/releases/tag/v2.0.0) | 🛑 Incompatible. Anticipating compatibility with `>= 3.9`. |
| [`v1`](https://github.com/actions/deploy-pages/releases/tag/v1) | `>= 3.7` |
| [`v1.2.8`](https://github.com/actions/deploy-pages/releases/tag/v1.2.8) | `>= 3.7` |
| [`v1.2.7`](https://github.com/actions/deploy-pages/releases/tag/v1.2.7) | :warning: [Incompatible](https://github.com/actions/deploy-pages/issues/137). Anticipating compatibility with `>= 3.9`. |
| [`v1.2.6`](https://github.com/actions/deploy-pages/releases/tag/v1.2.6) | `>= 3.7` |
| `v1.x.x` | `>= 3.7` |
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## Release Instructions
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In order to release a new version of this Action:
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1. Locate the semantic version of the [upcoming release][release-list] (a draft is maintained by the [`draft-release` workflow][draft-release]).
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2. Publish the draft release from the `main` branch with semantic version as the tag name, _with_ the checkbox to publish to the GitHub Marketplace checked. :ballot_box_with_check:
3. After publishing the release, the [`release` workflow][release] will automatically run to create/update the corresponding the major version tag such as `v1`.
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⚠️ Environment approval is required. Check the [Release workflow run list][release-workflow-runs].
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## License
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The scripts and documentation in this project are released under the [MIT License](LICENSE).
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<!-- references -->
[starter-workflows]: https://github.com/actions/starter-workflows/tree/main/pages
[upload-pages-artifact]: https://github.com/actions/upload-pages-artifact
[artifacts]: https://docs.github.com/en/actions/using-workflows/storing-workflow-data-as-artifacts
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[environment-protection]: https://docs.github.com/en/actions/deployment/targeting-different-environments/using-environments-for-deployment#environment-protection-rules
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[release-list]: https://github.com/actions/deploy-pages/releases
[draft-release]: .github/workflows/draft-release.yml
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[release]: .github/workflows/release.yml
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[release-workflow-runs]: https://github.com/actions/deploy-pages/actions/workflows/release.yml