docker-metadata/UPGRADE.md

Upgrade notes

v2 to v3

• Repository has been moved to docker org. Replace crazy-max/ghaction-docker-meta@v2 with docker/metadata-action@v4
• The default bake target has been changed: ghaction-docker-meta > docker-metadata-action

v1 to v2

• inputs
  • tag-sha
  • tag-edge / tag-edge-branch
  • tag-semver
  • tag-match / tag-match-group
  • tag-latest
  • tag-schedule
  • tag-custom / tag-custom-only
  • label-custom
• Basic workflow
• Semver workflow

inputs

New	Unchanged	Removed
tags	images	tag-sha
flavor	sep-tags	tag-edge
labels	sep-labels	tag-edge-branch
		tag-semver
		tag-match
		tag-match-group
		tag-latest
		tag-schedule
		tag-custom
		tag-custom-only
		label-custom

tag-sha

tags: |
  type=sha  

tag-edge / tag-edge-branch

tags: |
  # default branch
  type=edge
  # specify branch
  type=edge,branch=main  

tag-semver

tags: |
  type=semver,pattern={{version}}  

tag-match / tag-match-group

tags: |
  type=match,pattern=v(.*),group=1  

tag-latest

tag-latest is now handled through the flavor input:

flavor: |
  latest=auto  

See also the notes about "latest tag" behavior

tag-schedule

tags: |
  # default tag (nightly)
  type=schedule
  # specific pattern
  type=schedule,pattern={{date 'YYYYMMDD'}}  

tag-custom / tag-custom-only

tags: |
  type=raw,value=foo
  type=raw,value=bar
  # or
  type=raw,foo
  type=raw,bar
  # or
  foo
  bar  

label-custom

Same behavior for labels:

labels: |
  maintainer=CrazyMax  

Basic workflow

# v1
name: ci

on:
  push:
    branches:
      - 'master'
    tags:
      - 'v*'
  pull_request:
    branches:
      - 'master'

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v1
        with:
          images: name/app
      -
        name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

# v2
name: ci

on:
  push:
    branches:
      - 'master'
    tags:
      - 'v*'
  pull_request:
    branches:
      - 'master'

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: name/app
      -
        name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

Semver workflow

# v1
name: ci

on:
  push:
    branches:
      - 'master'
    tags:
      - 'v*'
  pull_request:
    branches:
      - 'master'

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v1
        with:
          images: name/app
          tag-semver: |
            {{version}}
            {{major}}.{{minor}}            
      -
        name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

# v2
name: ci

on:
  push:
    branches:
      - 'master'
    tags:
      - 'v*'
  pull_request:
    branches:
      - 'master'

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: name/app
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}            
      -
        name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}