Preparr/.github/workflows/docker.yml at main · robbeverhelst/Preparr · GitHub

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name: Docker

on:
  push:
    branches: [main]
    tags: ['v*']
  pull_request:
    branches: [main]
    paths:
      - 'src/**'
      - 'Dockerfile'
      - 'package.json'
      - 'bun.lock'
      - '.github/workflows/docker.yml'
  workflow_run:
    workflows: ["CI"]
    types:
      - completed
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    runs-on: ubuntu-latest
    if: >-
      github.event_name != 'workflow_run' ||
      (github.event.workflow_run.conclusion == 'success' &&
       github.event.workflow_run.head_branch == 'main')
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Checkout latest tag if triggered by workflow_run
        if: github.event_name == 'workflow_run'
        run: |
          # Get the latest tag and checkout to it
          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -n "$LATEST_TAG" ]; then
            echo "Checking out latest tag: $LATEST_TAG"
            git checkout "$LATEST_TAG"
          else
            echo "No tags found, staying on main"
          fi

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to Container Registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Get current version context
        id: version
        run: |
          if [ "${{ github.event_name }}" = "workflow_run" ]; then
            # Get the latest tag when triggered by workflow_run
            LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
            if [ -n "$LATEST_TAG" ]; then
              echo "Using tag context: $LATEST_TAG"
              echo "version=${LATEST_TAG#v}" >> $GITHUB_OUTPUT
              echo "is_tag=true" >> $GITHUB_OUTPUT
            else
              echo "No tag found, using main context"
              echo "version=main" >> $GITHUB_OUTPUT
              echo "is_tag=false" >> $GITHUB_OUTPUT
            fi
          else
            echo "Using default context"
            echo "is_tag=false" >> $GITHUB_OUTPUT
          fi

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}},value=${{ steps.version.outputs.version }},enable=${{ steps.version.outputs.is_tag == 'true' }}
            type=semver,pattern={{major}}.{{minor}},value=${{ steps.version.outputs.version }},enable=${{ steps.version.outputs.is_tag == 'true' }}
            type=semver,pattern={{major}},value=${{ steps.version.outputs.version }},enable=${{ steps.version.outputs.is_tag == 'true' }}
            type=sha

      - name: Build and push Docker image
        uses: docker/build-push-action@v7
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max