docker_build.yml

name: Docker Build and Push
on:
  push:
    paths-ignore:
      - 'README*'
      - 'LICENSE'
      - '.editorconfig'
      - '.github/**'
      - '.gitignore'
      - 'makefile'
      - 'config.example.yaml'
      - 'script/**'
      - '.vscode/**'
  workflow_call:
    inputs:
      tags:
        description: 'Docker image tag list, multiple tags are separated by comma, e.g. 0.1.0,latest'
        required: true
        type: string
        default: 'latest'
  workflow_dispatch:
    inputs:
      tags:
        required: true
        type: string
        default: 'latest'

jobs:
  setup:
    name: Setup
    runs-on: ubuntu-latest
    if: github.ref_name == 'main' || github.ref_type == 'tag'|| github.event_name == 'workflow_dispatch' || github.event_name == 'workflow_call'
    outputs:
      TAG_NAME: ${{ steps.set_tag_name.outputs.TAG_NAME }}
      BUILD_TRIGGER_DESCRIPTION: ${{ steps.set_tag_name.outputs.BUILD_TRIGGER_DESCRIPTION }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}
      - name: Set tag name
        id: set_tag_name
        run: |
          replace_comma_with_tag() {
            new_tags=""
            for tag in $(echo $1 | tr ',' ' '); do
              new_tags="$new_tags ${{ github.repository }}:$tag"
            done
            echo $new_tags | tr ' ' ','
          }

          {
            if [ -n "${{ github.event.inputs.tags }}" ]; then
              echo "TAG_NAME=$(replace_comma_with_tag ${{ github.event.inputs.tags }})"
              echo "BUILD_TRIGGER_DESCRIPTION=Triggered via workflow_dispatch with tag ${{ github.event.inputs.tags }}"
            elif [ -n "${{ inputs.tags }}" ]; then
              echo "TAG_NAME=$(replace_comma_with_tag ${{ inputs.tags }})"
              echo "BUILD_TRIGGER_DESCRIPTION=Triggered via workflow_call with tag ${{ inputs.tags }}"
            elif [ "${{ github.ref_type }}" == 'tag' ]; then
              echo "TAG_NAME=${{ github.repository }}:${{ github.ref_name }}"
              echo "BUILD_TRIGGER_DESCRIPTION=Triggered via tag ${{ github.ref_name }}"
            elif [ "${{ github.event_name }}" == 'push' ]; then
              echo "TAG_NAME=${{ github.repository }}:$(git rev-parse --short HEAD)"
              echo "BUILD_TRIGGER_DESCRIPTION=Triggered via push to ${{ github.ref_name }}"
            elif [ "${{ github.event.pull_request.merged }}" == 'true' ]; then
              echo "TAG_NAME=${{ github.repository }}:$(echo ${{ github.event.pull_request.head.sha }} | cut -c1-7)"
              echo "BUILD_TRIGGER_DESCRIPTION=Triggered via pull request ${{ github.event.pull_request.number }}"
            else
              echo "TAG_NAME="
            fi
          } >> $GITHUB_OUTPUT

  docker-release:
    name: Publish Docker images
    needs: [setup]
    runs-on: ubuntu-latest
    timeout-minutes: 20
    if: needs.setup.outputs.TAG_NAME != ''
    steps:
      - name: Build trigger description
        run: |
          echo "The build trigger description is ${{ needs.setup.outputs.BUILD_TRIGGER_DESCRIPTION }}"
          echo "The publish docker image tag is ${{ needs.setup.outputs.TAG_NAME }}"

      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}

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

      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Cache go-build
        uses: actions/cache@v4
        with:
          path: go-build
          key: go-build-${{ hashFiles('**/go.sum') }}

      - name: Cache go-pkg
        uses: actions/cache@v4
        with:
          path: go-pkg
          key: go-pkg-${{ hashFiles('**/go.sum') }}

      - name: Inject go-build into Docker
        uses: reproducible-containers/buildkit-cache-dance@v2.1.4
        with:
          cache-source: go-build
          cache-target: /root/.cache/go-build

      - name: Inject go-pkg into Docker
        uses: reproducible-containers/buildkit-cache-dance@v2.1.4
        with:
          cache-source: go-pkg
          cache-target: /go/pkg

      - name: Docker build and push with tag name
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ needs.setup.outputs.TAG_NAME }}
          platforms: |
            linux/amd64
            linux/arm64
            linux/arm/v7