docker.yaml

name: Build and Publish Docker Image

permissions:
  contents: read

on:
  push:
    branches:
      - main
  release:
    types: [published, prereleased]      

  workflow_dispatch:
    inputs:
      commit:
        description: "Commit sha"
        required: true

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
            ref: ${{ github.ref || inputs.commit || 'main' }}

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PAT }}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - uses: actions/setup-go@v6
        with:
          go-version-file: 'go.mod'
          check-latest: true

      - name: Set image names
        id: image-names
        env:
          EVENT_NAME: ${{ github.event_name }}
        run: |
          if [[ "$EVENT_NAME" == "release" ]]; then
            echo "images=temporaliotest/s2s-proxy,temporalio/s2s-proxy" >> "$GITHUB_OUTPUT"
          else
            echo "images=temporaliotest/s2s-proxy" >> "$GITHUB_OUTPUT"
          fi
      - name: Compute version
        id: version
        # Produces the VERSION passed to `make bins` and used as the image tag.
        # Three cases:
        #   local: "dev"             local build (Makefile default, no VERSION arg).
        #   dispatch: "dev-<sha>"    CI build on main push; set by docker.yaml. Or manual dispatch with a commit SHA.
        #   release: "v1.2.3"        GitHub release; set to the release tag by docker.yaml.
        env:
          EVENT_NAME: ${{ github.event_name }}
          REF_NAME: ${{ github.ref_name }}
          INPUT_COMMIT: ${{ inputs.commit }}
        run: |
          if [[ "$EVENT_NAME" == "release" ]]; then
            echo "value=$REF_NAME" >> "$GITHUB_OUTPUT"
          elif [[ "$EVENT_NAME" == "workflow_dispatch" ]]; then
            SHA=$(echo "$INPUT_COMMIT" | cut -c1-7)
            echo "value=dev-${SHA}" >> "$GITHUB_OUTPUT"
          else
            echo "value=dev-$(git rev-parse --short HEAD)" >> "$GITHUB_OUTPUT"
          fi

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ steps.image-names.outputs.images }}
          # Don't set latest label if it is a prerelease.
          tags: |
            type=raw,value=${{ steps.version.outputs.value }}
            ${{ github.event_name == 'release' && github.event.release.prerelease != true && 'type=raw,value=latest' || '' }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64
          build-args: VERSION=${{ steps.version.outputs.value }}
          cache-from: type=gha
          cache-to: type=gha,mode=max