name: Release

on:
  workflow_dispatch:
    inputs:
      tag:
        default: 'latest'
        required: true
        description: 'Docker image tag'
  push:
    tags:
      - 'v*'

jobs:
  build-image:
    runs-on: ubuntu-latest
    steps:
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

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

      - name: Parse Tag Name
        run: |
          if [ x${{ github.event.inputs.tag }} == x"" ]; then
            echo "TAG_NAME=${{ github.ref_name }}" >> $GITHUB_ENV
          else
            echo "TAG_NAME=${{ github.event.inputs.tag }}" >> $GITHUB_ENV
          fi

      - name: Build and push
        uses: docker/build-push-action@v4
        env:
          BUILDX_NO_DEFAULT_ATTESTATIONS: 1 # https://github.com/orgs/community/discussions/45969
        with:
          platforms: linux/amd64,linux/arm64
          push: true
          pull: true
          labels: |
            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
            org.opencontainers.image.licenses=Apache-2.0
          tags: |
            ${{ github.repository }}:${{ env.TAG_NAME }}
            ghcr.io/${{ github.repository }}:${{ env.TAG_NAME }}
          cache-from: type=gha # https://docs.docker.com/build/cache/backends/gha/
          cache-to: type=gha,mode=max

  goreleaser:
    runs-on: ubuntu-latest
    if: ${{ github.event.inputs.tag == '' }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Fetch all tags
        run: git fetch --force --tags
      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          cache: false
          go-version-file: go.mod
      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v4
        with:
          distribution: goreleaser
          version: latest
          args: release --rm-dist
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}