diff --git a/.github/workflows/example.yml b/.github/workflows/example.yml
index 6e6dd25..6f11e6d 100644
--- a/.github/workflows/example.yml
+++ b/.github/workflows/example.yml
@@ -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()
diff --git a/README.md b/README.md
index 4541be1..0eed43a 100644
--- a/README.md
+++ b/README.md
@@ -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.
Show workflow
@@ -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 }}
```
-| Event | Ref | Commit SHA | Docker Tag | Pushed |
-|-----------------|-------------------------------|------------|------------------------------------|--------|
-| `schedule` | | | `nightly` | Yes |
-| `pull_request` | `refs/pull/2/merge` | `a123b57` | `pr-2` | No |
-| `push` | `refs/heads/` | `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|[=|[,]]`) |
+| `ssh` | List | List of SSH agent socket or keys to expose to the build |
### outputs
diff --git a/UPGRADE.md b/UPGRADE.md
index 95d9c6b..3a7d9eb 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -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).
diff --git a/action.yml b/action.yml
index 9e61087..cf1c580 100644
--- a/action.yml
+++ b/action.yml
@@ -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: