Add upgrade notes

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CrazyMax 2020-09-29 01:08:58 +02:00
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[![Test workflow](https://img.shields.io/github/workflow/status/docker/build-push-action/test?label=test&logo=github&style=flat-square)](https://github.com/docker/build-push-action/actions?workflow=test) [![Test workflow](https://img.shields.io/github/workflow/status/docker/build-push-action/test?label=test&logo=github&style=flat-square)](https://github.com/docker/build-push-action/actions?workflow=test)
[![Codecov](https://img.shields.io/codecov/c/github/docker/build-push-action?logo=codecov&style=flat-square)](https://codecov.io/gh/docker/build-push-action) [![Codecov](https://img.shields.io/codecov/c/github/docker/build-push-action?logo=codecov&style=flat-square)](https://codecov.io/gh/docker/build-push-action)
## Upgrade
`v2` of this action changes drastically and now uses Docker [Buildx](https://github.com/docker/buildx). It works with
3 new actions ([login](https://github.com/docker/login-action), [setup-buildx](https://github.com/docker/setup-buildx-action)
and [setup-qemu](https://github.com/docker/setup-qemu-action)) that we have created. It's also rewritten as a
[typescript-action](https://github.com/actions/typescript-action/) to be as closed as possible of the
[GitHub Runner](https://github.com/actions/virtual-environments) during its execution (#71 #92).
[Upgrade notes](UPGRADE.md) and many [usage examples](#usage) have been added to handle most use cases but `v1` is
still available through [`releases/v1` branch](https://github.com/docker/build-push-action/tree/releases/v1).
## About ## About
GitHub Action to build and push Docker images with [Buildx](https://github.com/docker/buildx). GitHub Action to build and push Docker images with [Buildx](https://github.com/docker/buildx).

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UPGRADE.md Normal file
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# Upgrade notes
## v1 to v2
* Rename `path` input to `context`
* Rename `dockerfile` input to `file`
* Rename `always_pull` input to `pull`
* Add `builder` input to be able to choose a builder instance through our [setup-buildx action](https://github.com/docker/setup-buildx-action)
* Add [`platforms`](https://github.com/docker/buildx#---platformvaluevalue) input
* Add [`allow`](https://github.com/docker/buildx#--allowentitlement) input
* Add [`load`](https://github.com/docker/buildx#--load) input
* Add [`outputs`](https://github.com/docker/buildx#-o---outputpath-typetypekeyvalue) input
* Add [`cache-from`](https://github.com/docker/buildx#--cache-fromnametypetypekeyvalue) input (`cache_froms` removed)
* Add [`cache-to`](https://github.com/docker/buildx#--cache-tonametypetypekeyvalue) input
* Add `secrets` input
* Review `tags` input
* Remove `repository` input. See [Simple workflow](#simple-workflow) for migration
* Remove `username`, `password` and `registry` inputs. Login support moved to [docker/login-action](https://github.com/docker/login-action) repo
* 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
* Handle Git context
* Add `digest` output
### Simple workflow
```yaml
# v1
steps:
-
name: Checkout code
uses: actions/checkout@v2
-
name: Build and push Docker images
uses: docker/build-push-action@v1
with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
repository: myorg/myrepository
always_pull: true
build_args: arg1=value1,arg2=value2
cache_froms: myorg/myrepository:latest
tags: latest
```
```yaml
# v2
steps:
-
name: Checkout code
uses: actions/checkout@v2
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v1
-
name: Login to DockerHub
uses: docker/login-action@v1
with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
-
name: Build and push
uses: docker/build-push-action@v2
with:
context: .
file: ./Dockerfile
pull: true
push: true
build-args: arg1=value1,arg2=value2
cache-from: type=registry,ref=myorg/myrepository
cache-to: type=registry,ref=myorg/myrepository
tags: myorg/myrepository:latest
```
### Tags with ref and Git labels
```yaml
# v1
steps:
-
name: Checkout code
uses: actions/checkout@v2
-
name: Build and push Docker images
uses: docker/build-push-action@v1
with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
repository: myorg/myrepository
push: ${{ github.event_name != 'pull_request' }}
tag_with_ref: true
tag_with_sha: true
```
```yaml
# v2
steps:
-
name: Checkout
uses: actions/checkout@v2
-
name: Prepare
id: prep
run: |
DOCKER_IMAGE=myorg/myrepository
VERSION=edge
if [[ $GITHUB_REF == refs/tags/* ]]; then
VERSION=${GITHUB_REF#refs/tags/}
elif [[ $GITHUB_REF == refs/heads/* ]]; then
VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
elif [[ $GITHUB_REF == refs/pull/* ]]; then
VERSION=pr-${{ github.event.number }}
fi
TAGS="${DOCKER_IMAGE}:${VERSION}"
if [ "${{ github.event_name }}" = "push" ]; then
TAGS="$TAGS,${DOCKER_IMAGE}:sha-${GITHUB_SHA::8}"
fi
echo ::set-output name=version::${VERSION}
echo ::set-output name=tags::${TAGS}
echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v1
-
name: Login to DockerHub
if: github.event_name != 'pull_request'
uses: docker/login-action@v1
with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
-
name: Build and push
uses: docker/build-push-action@v2
with:
context: .
file: ./Dockerfile
push: ${{ github.event_name != 'pull_request' }}
tags: ${{ steps.prep.outputs.tags }}
labels: |
org.opencontainers.image.source=${{ github.event.repository.clone_url }}
org.opencontainers.image.created=${{ steps.prep.outputs.created }}
org.opencontainers.image.revision=${{ github.sha }}
```