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https://github.com/docker/build-push-action
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Add Git context example
Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
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73
README.md
73
README.md
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@ -7,6 +7,7 @@ ___
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* [Usage](#usage)
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* [Quick start](#quick-start)
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* [Bake](#bake)
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* [Git context](#git-context)
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* [Customizing](#customizing)
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* [inputs](#inputs)
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* [outputs](#outputs)
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@ -47,8 +48,6 @@ jobs:
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name: Set up Docker Buildx
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id: buildx
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uses: docker/setup-buildx-action@v1
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with:
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install: true
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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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@ -70,7 +69,7 @@ jobs:
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### Bake
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[Buildx bake](https://github.com/docker/buildx#buildx-bake-options-target) is also available with this action through
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the [`bake` inputs](#inputs).
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the [`bake` inputs](#inputs):
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```yaml
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name: ci
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@ -83,7 +82,7 @@ on:
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tags:
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jobs:
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buildx:
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bake:
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runs-on: ubuntu-latest
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steps:
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-
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name: Set up Docker Buildx
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id: buildx
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uses: docker/setup-buildx-action@v1
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with:
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install: true
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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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@ -120,6 +117,58 @@ jobs:
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release
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```
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### Git context
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You can build from Git directly without [`actions/checkout`](https://github.com/actions/checkout/) action,
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even in private repositories if your `context` is a valid Git url:
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```yaml
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name: ci
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on:
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pull_request:
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branches: master
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push:
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branches: master
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tags:
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jobs:
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git-context:
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runs-on: ubuntu-latest
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steps:
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-
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name: Set up QEMU
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uses: docker/setup-qemu-action@v1
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with:
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platforms: all
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-
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name: Set up Docker Buildx
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id: buildx
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uses: docker/setup-buildx-action@v1
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with:
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version: latest
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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.DOCKER_USERNAME }}
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password: ${{ secrets.DOCKER_PASSWORD }}
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-
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name: Build and push
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uses: ./
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env:
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GIT_AUTH_TOKEN: ${{ github.token }}
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GIT_REF: ${{ github.ref }}
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with:
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context: ${{ github.repositoryUrl }}
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builder: ${{ steps.buildx.outputs.name }}
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platforms: linux/amd64,linux/arm64,linux/386
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push: true
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tags: |
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name/app:latest
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name/app:1.0.0
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```
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## Customizing
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### inputs
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@ -156,6 +205,18 @@ Following outputs are available
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|---------------|---------|---------------------------------------|
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| `digest` | String | Image content-addressable identifier also called a digest |
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### environment variables
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Following environment variables can be used as `step.env` keys
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| Name | Description |
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|--------------------------|---------------------------------------|
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| `GIT_AUTH_HEADER`**¹** | Raw authorization header to authenticate against git repository |
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| `GIT_AUTH_TOKEN`**¹** | `x-access-token` basic auth to authenticate against git repository |
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| `GIT_REF`**¹** | Git refrerence to use against git repository |
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> **¹** Only used if `input.context` is a valid git uri.
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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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