atlantis-drift-detection/.github/workflows/drifter-image.yml at main · jukie/atlantis-drift-detection · GitHub

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name: drifter-image

on:
  push:
    branches:
      - 'main'
    tags:
      - v*.*.* # stable release like, v0.19.2
      - v*.*.*-pre.* # pre release like, v0.19.0-pre.calendardate
  pull_request:
    paths:
      - 'Dockerfile'
      - '.github/workflows/drifter-image.yml'
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-22.04
    env:
      # Set docker repo to either the fork or the main repo where the branch exists
      DOCKER_REPO: ghcr.io/${{ github.repository }}
      # Push if not a pull request or this is a fork
      PUSH: ${{ github.event_name != 'pull_request' || !github.event.pull_request.head.repo.fork }}

    steps:
    - uses: actions/checkout@v3

    # Lint the Dockerfile first before setting anything up
    - name: Lint Dockerfile
      uses: hadolint/hadolint-action@master
      with:
        dockerfile: "Dockerfile"

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v2
      with:
        image: tonistiigi/binfmt:latest
        platforms: arm64,arm

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2

    - name: Docker meta
      id: meta
      uses: docker/metadata-action@v4
      with:
        images: |
          ${{ env.DOCKER_REPO }}
        labels: |
          org.opencontainers.image.authors="@jukie"
          org.opencontainers.image.licenses=Apache-2.0
        tags: |
          # semver
          type=semver,pattern={{version}},prefix=v,suffix=${{ env.SUFFIX }}
          type=semver,pattern={{major}}.{{minor}},prefix=v,suffix=${{ env.SUFFIX }}
          # dev
          type=raw,value=dev,suffix=${{ env.SUFFIX }}-{{ sha }}
          type=raw,event=push,value=dev,enable={{is_default_branch}},suffix=${{ env.SUFFIX }}
          # prerelease
          type=raw,event=tag,value=prerelease-latest,enable=${{ startsWith(github.ref, 'refs/tags/') && contains(github.ref, 'pre') }},suffix=${{ env.SUFFIX }}
          # latest
          type=raw,event=tag,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') && !contains(github.ref, 'pre') }},suffix=${{ env.SUFFIX }}
          # pr
          type=ref,event=pr,suffix=${{ env.SUFFIX }}
        flavor: |
          # This is disabled here so we can use the raw form above
          latest=false
          # Suffix is not used here since there's no way to disable it above

    - name: Login to Packages Container registry
      uses: docker/login-action@v2
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    # Publish release to container registry
    - name: Populate release version
      if: contains(fromJson('["push", "pull_request"]'), github.event_name)
      run: echo "RELEASE_VERSION=${{ startsWith(github.ref, 'refs/tags/') && '${GITHUB_REF#refs/*/}' || 'dev' }}" >> $GITHUB_ENV

    - name: "Build ${{ env.PUSH == 'true' && 'and push' || '' }} ${{ env.DOCKER_REPO }} image"
      if: contains(fromJson('["push", "pull_request"]'), github.event_name)
      uses: docker/build-push-action@v4
      with:
        cache-from: type=gha
        cache-to: type=gha,mode=max
        context: .
        platforms: linux/arm64/v8,linux/amd64
        push: ${{ env.PUSH }}
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        outputs: type=image,name=target,annotation-index.org.opencontainers.image.description=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.description'] }}