release.yml

name: Release

on:
  push:
    tags:
      - '[0-9]+.[0-9]+.[0-9]+*'
  workflow_dispatch:
    inputs:
      tag:
        description: 'Docker tag override (for manual runs, e.g. 0.0.1-test)'
        required: false
        default: ''

permissions:
  contents: read
  packages: write

env:
  DOCKERHUB_IMAGE: durableworkflow/server
  GHCR_IMAGE: ghcr.io/durable-workflow/server

jobs:
  publish:
    name: Build and push Docker image
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - 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 Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Log in to GHCR
        uses: docker/login-action@v4
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract image metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: |
            ${{ env.DOCKERHUB_IMAGE }}
            ${{ env.GHCR_IMAGE }}
          # On a release tag like 0.1.0, produces tags:
          #   durableworkflow/server:0.1.0
          #   durableworkflow/server:0.1
          #   durableworkflow/server:0
          #   durableworkflow/server:latest
          #   ghcr.io/durable-workflow/server:0.1.0
          #   ghcr.io/durable-workflow/server:0.1
          #   ghcr.io/durable-workflow/server:0
          #   ghcr.io/durable-workflow/server:latest
          # workflow_dispatch with an input uses that as a single tag.
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') }}
            type=raw,value=${{ github.event.inputs.tag }},enable=${{ github.event_name == 'workflow_dispatch' && github.event.inputs.tag != '' }}
          labels: |
            org.opencontainers.image.source=https://github.com/${{ github.repository }}
            org.opencontainers.image.revision=${{ github.sha }}

      # Automatically detect the latest workflow package pre-release tag
      # This allows you to tag workflow releases (2.0.0-alpha.2, etc) and have
      # server builds automatically pick them up without manual workflow edits.
      - name: Get latest workflow package version
        id: workflow
        run: |
          # Fetch latest pre-release tag from workflow repo (2.0.0-alpha.x, 2.0.0-beta.x)
          LATEST_TAG=$(git ls-remote --tags --refs --sort=v:refname https://github.com/durable-workflow/workflow.git \
            | grep -E 'refs/tags/2\.0\.0-(alpha|beta)\.' \
            | tail -1 \
            | sed 's/.*refs\/tags\///')

          # Fallback to v2 branch if no pre-release tags exist
          if [ -z "$LATEST_TAG" ]; then
            LATEST_TAG="v2"
          fi

          echo "tag=$LATEST_TAG" >> $GITHUB_OUTPUT
          echo "Using workflow package version: $LATEST_TAG"

      - name: Build and push
        uses: docker/build-push-action@v7
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          provenance: false
          build-args: |
            WORKFLOW_PACKAGE_REF=${{ steps.workflow.outputs.tag }}