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Merge pull request #206 from crazy-max/docker-meta

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Simplify "Complete workflow" with Docker meta action
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CrazyMax 2020-10-28 19:59:35 +01:00 committed by GitHub
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4 changed files with 34 additions and 114 deletions
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64
.github/workflows/example.yml vendored
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@ -1,5 +1,4 @@
# This workflow is provided just as an usage example and not for repo testing/verification
# See https://github.com/docker/build-push-action#complete-workflow
name: example
on:
@ -12,6 +11,9 @@ on:
- 'v*.*.*'
pull_request:
env:
DOCKER_IMAGE: localhost:5000/name/app
jobs:
docker:
runs-on: ubuntu-latest
@ -25,34 +27,12 @@ jobs:
name: Checkout
uses: actions/checkout@v2.3.3
-
name: Prepare
id: prep
run: |
DOCKER_IMAGE=localhost:5000/name/app
VERSION=noop
if [ "${{ github.event_name }}" = "schedule" ]; then
VERSION=nightly
elif [[ $GITHUB_REF == refs/tags/* ]]; then
VERSION=${GITHUB_REF#refs/tags/}
elif [[ $GITHUB_REF == refs/heads/* ]]; then
VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
if [ "${{ github.event.repository.default_branch }}" = "$VERSION" ]; then
VERSION=edge
fi
elif [[ $GITHUB_REF == refs/pull/* ]]; then
VERSION=pr-${{ github.event.number }}
fi
TAGS="${DOCKER_IMAGE}:${VERSION}"
if [[ $VERSION =~ ^v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
MINOR=${VERSION%.*}
MAJOR=${MINOR%.*}
TAGS="$TAGS,${DOCKER_IMAGE}:${MINOR},${DOCKER_IMAGE}:${MAJOR},${DOCKER_IMAGE}:latest"
elif [ "${{ github.event_name }}" = "push" ]; then
TAGS="$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: Docker meta
id: docker_meta
uses: crazy-max/ghaction-docker-meta@v1
with:
images: ${{ env.DOCKER_IMAGE }} # list of Docker images to use as base name for tags
tag-sha: true # add git short SHA as Docker tag
-
name: Set up Docker Buildx
uses: docker/setup-buildx-action@v1
@ -64,15 +44,9 @@ jobs:
with:
context: ./test
file: ./test/Dockerfile
outputs: type=docker
tags: ${{ steps.prep.outputs.tags }}
labels: |
org.opencontainers.image.created=${{ steps.prep.outputs.created }}
org.opencontainers.image.url=${{ github.event.repository.html_url }}
org.opencontainers.image.source=${{ github.event.repository.clone_url }}
org.opencontainers.image.version=${{ steps.prep.outputs.version }}
org.opencontainers.image.revision=${{ github.sha }}
org.opencontainers.image.licenses=${{ github.event.repository.license.spdx_id }}
load: true
tags: ${{ steps.docker_meta.outputs.tags }}
labels: ${{ steps.docker_meta.outputs.labels }}
-
name: Build and push to local registry
uses: ./
@ -80,23 +54,17 @@ jobs:
context: ./test
file: ./test/Dockerfile
push: ${{ github.event_name != 'pull_request' }}
tags: ${{ steps.prep.outputs.tags }}
labels: |
org.opencontainers.image.created=${{ steps.prep.outputs.created }}
org.opencontainers.image.url=${{ github.event.repository.html_url }}
org.opencontainers.image.source=${{ github.event.repository.clone_url }}
org.opencontainers.image.version=${{ steps.prep.outputs.version }}
org.opencontainers.image.revision=${{ github.sha }}
org.opencontainers.image.licenses=${{ github.event.repository.license.spdx_id }}
tags: ${{ steps.docker_meta.outputs.tags }}
labels: ${{ steps.docker_meta.outputs.labels }}
-
name: Inspect image
run: |
docker image inspect localhost:5000/name/app:${{ steps.prep.outputs.version }}
docker image inspect ${{ env.DOCKER_IMAGE }}:${{ steps.docker_meta.outputs.version }}
-
name: Check manifest
if: github.event_name != 'pull_request'
run: |
docker buildx imagetools inspect localhost:5000/name/app:${{ steps.prep.outputs.version }}
docker buildx imagetools inspect ${{ env.DOCKER_IMAGE }}:${{ steps.docker_meta.outputs.version }}
-
name: Dump context
if: always()

78
README.md
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@ -39,7 +39,7 @@ ___
* [Local registry](#local-registry)
* [Export image to Docker](#export-image-to-docker)
* [Leverage GitHub cache](#leverage-github-cache)
* [Complete workflow](#complete-workflow)
* [Handle tags and labels](#handle-tags-and-labels)
* [Update DockerHub repo description](#update-dockerhub-repo-description)
* [Customizing](#customizing)
* [inputs](#inputs)
@ -472,17 +472,12 @@ using [actions/cache](https://github.com/actions/cache) with this action:
> If you want to [export layers for all stages](https://github.com/docker/buildx#--cache-tonametypetypekeyvalue),
> you have to specify `mode=max` attribute in `cache-to`.
### Complete workflow
### Handle tags and labels
If you come from [`v1`](https://github.com/docker/build-push-action/tree/releases/v1#readme) and want an
"automatic" tag management through Git reference and [OCI Image Format Specification](https://github.com/opencontainers/image-spec/blob/master/annotations.md)
for labels, you will have to do it in a dedicated step.
The following workflow with the `Prepare` step will generate some [outputs](https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobsjobs_idoutputs)
to handle tags and labels based on GitHub actions events.
This is just an example to show many cases that you might want to use and that you will have to adapt according
to your needs:
"automatic" tag management and [OCI Image Format Specification](https://github.com/opencontainers/image-spec/blob/master/annotations.md)
for labels, you can do it in a dedicated step. The following workflow will use the [Docker meta action](https://github.com/crazy-max/ghaction-docker-meta)
to handle tags and labels based on GitHub actions events and Git metadata.
<details>
<summary><b>Show workflow</b></summary>
@ -508,42 +503,12 @@ to your needs:
name: Checkout
uses: actions/checkout@v2
-
name: Repo metadata
id: repo
uses: actions/github-script@v3
name: Docker meta
id: docker_meta
uses: crazy-max/ghaction-docker-meta@v1
with:
script: |
const repo = await github.repos.get(context.repo)
return repo.data
-
name: Prepare
id: prep
run: |
DOCKER_IMAGE=name/app
VERSION=noop
if [ "${{ github.event_name }}" = "schedule" ]; then
VERSION=nightly
elif [[ $GITHUB_REF == refs/tags/* ]]; then
VERSION=${GITHUB_REF#refs/tags/}
elif [[ $GITHUB_REF == refs/heads/* ]]; then
VERSION=$(echo ${GITHUB_REF#refs/heads/} | sed -r 's#/+#-#g')
if [ "${{ github.event.repository.default_branch }}" = "$VERSION" ]; then
VERSION=edge
fi
elif [[ $GITHUB_REF == refs/pull/* ]]; then
VERSION=pr-${{ github.event.number }}
fi
TAGS="${DOCKER_IMAGE}:${VERSION}"
if [[ $VERSION =~ ^v[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
MINOR=${VERSION%.*}
MAJOR=${MINOR%.*}
TAGS="$TAGS,${DOCKER_IMAGE}:${MINOR},${DOCKER_IMAGE}:${MAJOR},${DOCKER_IMAGE}:latest"
elif [ "${{ github.event_name }}" = "push" ]; then
TAGS="$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')
images: name/app # list of Docker images to use as base name for tags
tag-sha: true # add git short SHA as Docker tag
-
name: Set up QEMU
uses: docker/setup-qemu-action@v1
@ -566,28 +531,11 @@ to your needs:
file: ./Dockerfile
platforms: linux/amd64,linux/arm64,linux/386
push: ${{ github.event_name != 'pull_request' }}
tags: ${{ steps.prep.outputs.tags }}
labels: |
org.opencontainers.image.title=${{ fromJson(steps.repo.outputs.result).name }}
org.opencontainers.image.description=${{ fromJson(steps.repo.outputs.result).description }}
org.opencontainers.image.url=${{ fromJson(steps.repo.outputs.result).html_url }}
org.opencontainers.image.source=${{ fromJson(steps.repo.outputs.result).clone_url }}
org.opencontainers.image.version=${{ steps.prep.outputs.version }}
org.opencontainers.image.created=${{ steps.prep.outputs.created }}
org.opencontainers.image.revision=${{ github.sha }}
org.opencontainers.image.licenses=${{ fromJson(steps.repo.outputs.result).license.spdx_id }}
tags: ${{ steps.docker_meta.outputs.tags }}
labels: ${{ steps.docker_meta.outputs.labels }}
```
</details>
| Event | Ref | Commit SHA | Docker Tag | Pushed |
|-----------------|-------------------------------|------------|------------------------------------|--------|
| `schedule` | | | `nightly` | Yes |
| `pull_request` | `refs/pull/2/merge` | `a123b57` | `pr-2` | No |
| `push` | `refs/heads/<default_branch>` | `676cae2` | `sha-676cae2`, `edge` | Yes |
| `push` | `refs/heads/dev` | `cf20257` | `sha-cf20257`, `dev` | Yes |
| `push` | `refs/heads/my/branch` | `a5df687` | `sha-a5df687`, `my-branch` | Yes |
| `push tag` | `refs/tags/v1.2.3` | | `v1.2.3`, `v1.2`, `v1`, `latest` | Yes |
### Update DockerHub repo description
You can update the [DockerHub repository description](https://docs.docker.com/docker-hub/repos/) using
@ -673,7 +621,7 @@ Following inputs can be used as `step.with` keys
| `cache-from` | List | List of [external cache sources](https://github.com/docker/buildx#--cache-fromnametypetypekeyvalue) (eg. `type=local,src=path/to/dir`) |
| `cache-to` | List | List of [cache export destinations](https://github.com/docker/buildx#--cache-tonametypetypekeyvalue) (eg. `type=local,dest=path/to/dir`) |
| `secrets` | List | List of secrets to expose to the build (eg. `key=value`, `GIT_AUTH_TOKEN=mytoken`) |
| `ssh` | List | List of SSH agent socket or keys to expose to the build (eg: `default|<id>[=<socket>|<key>[,<key>]]`) |
| `ssh` | List | List of SSH agent socket or keys to expose to the build |
### outputs

4
UPGRADE.md
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@ -91,6 +91,7 @@ steps:
push: ${{ github.event_name != 'pull_request' }}
tag_with_ref: true
tag_with_sha: true
add_git_labels: true
```
```yaml
@ -142,3 +143,6 @@ steps:
org.opencontainers.image.created=${{ steps.prep.outputs.created }}
org.opencontainers.image.revision=${{ github.sha }}
```
> You can also use the [Docker meta action](https://github.com/crazy-max/ghaction-docker-meta) to handle tags and
> labels based on GitHub actions events and Git metadata. A workflow example is available in the [README](README.md#handle-tags-and-labels).

2
action.yml
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@ -68,7 +68,7 @@ inputs:
default: ${{ github.token }}
required: false
ssh:
description: "List of SSH agent socket or keys to expose to the build (eg: default)"
description: "List of SSH agent socket or keys to expose to the build"
required: false
outputs: