148 lines
4.4 KiB
Markdown
148 lines
4.4 KiB
Markdown
# Upgrade notes
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## v1 to v2
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* Input `path` is now called `context` for consistency with other Docker build tools
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* `path` defaults to current git repository so checkout action is not required in a workflow
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* Rename `dockerfile` input to `file` for consistency with other Docker build tools
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* Rename `always_pull` input to `pull` for consistency with other Docker build tools
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* Add `builder` input to be able to choose a builder instance through our [setup-buildx action](https://github.com/docker/setup-buildx-action)
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* Add `platforms` input to support multi-platform builds
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* Add `allow` input
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* Add `load` input
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* Add `outputs` input
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* Add `cache-from` input (`cache_froms` removed)
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* Add `cache-to` input
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* Rename `build_args` input to `build-args` for consistency with other Docker build tools
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* Add `secrets` input
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* Review `tags` input
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* Remove `repository` input. See [Simple workflow](#simple-workflow) for migration
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* Remove `username`, `password` and `registry` inputs. Login support moved to [docker/login-action](https://github.com/docker/login-action) repo
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* Remove `tag_with_sha`, `tag_with_ref`, `add_git_labels` inputs. See [Tags with ref and Git labels](#tags-with-ref-and-git-labels) for migration
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* Handle Git context
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* Add `digest` output
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### Simple workflow
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```yaml
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# v1
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steps:
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-
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name: Checkout code
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uses: actions/checkout@v2
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-
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name: Build and push Docker images
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uses: docker/build-push-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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repository: myorg/myrepository
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always_pull: true
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build_args: arg1=value1,arg2=value2
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cache_froms: myorg/myrepository:latest
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tags: latest
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```
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```yaml
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# v2
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steps:
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-
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name: Checkout code
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uses: actions/checkout@v2
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-
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name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v1
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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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name: Build and push
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uses: docker/build-push-action@v2
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with:
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context: .
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pull: true
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push: true
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build-args: |
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arg1=value1
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arg2=value2
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cache-from: type=registry,ref=myorg/myrepository:latest
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cache-to: type=inline
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tags: myorg/myrepository:latest
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```
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### Tags with ref and Git labels
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```yaml
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# v1
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steps:
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-
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name: Checkout code
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uses: actions/checkout@v2
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-
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name: Build and push Docker images
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uses: docker/build-push-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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repository: myorg/myrepository
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push: ${{ github.event_name != 'pull_request' }}
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tag_with_ref: true
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tag_with_sha: true
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add_git_labels: true
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```
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```yaml
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# v2
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steps:
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-
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name: Checkout
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uses: actions/checkout@v2
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-
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name: Prepare
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id: prep
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run: |
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DOCKER_IMAGE=myorg/myrepository
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VERSION=edge
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if [[ $GITHUB_REF == refs/tags/* ]]; then
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VERSION=${GITHUB_REF#refs/tags/}
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elif [[ $GITHUB_REF == refs/heads/* ]]; then
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VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
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elif [[ $GITHUB_REF == refs/pull/* ]]; then
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VERSION=pr-${{ github.event.number }}
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fi
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TAGS="${DOCKER_IMAGE}:${VERSION}"
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if [ "${{ github.event_name }}" = "push" ]; then
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TAGS="$TAGS,${DOCKER_IMAGE}:sha-${GITHUB_SHA::8}"
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fi
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echo ::set-output name=version::${VERSION}
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echo ::set-output name=tags::${TAGS}
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echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
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-
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name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v1
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name: Login to DockerHub
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if: github.event_name != 'pull_request'
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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: docker/build-push-action@v2
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with:
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context: .
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push: ${{ github.event_name != 'pull_request' }}
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tags: ${{ steps.prep.outputs.tags }}
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labels: |
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org.opencontainers.image.source=${{ github.event.repository.html_url }}
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org.opencontainers.image.created=${{ steps.prep.outputs.created }}
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org.opencontainers.image.revision=${{ github.sha }}
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```
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> You can also use the [Docker meta action to handle tags and labels](docs/advanced/tags-labels.md) based on GitHub
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> actions events and Git metadata.
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