build.yml

name: Build and Publish
run-name: Build and publish Docker image for ${{ github.event_name == 'workflow_dispatch' && inputs.ref || github.ref_name }}

on:
  workflow_dispatch:
    inputs:
      ref:
        description: 'Ref to build'
        required: true
  push:
    tags:
      '*'

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event_name == 'workflow_dispatch' && inputs.ref || github.ref_name }}
          fetch-depth: 0

      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          check-latest: true

      - uses: docker/setup-qemu-action@v3
      - uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Fetch Go modules
        run: make vendor

      - name: Build and push rootless Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64
          push: true
          file: Dockerfile.rootless
          tags: ghcr.io/${{ github.repository }}:${{ github.event_name == 'workflow_dispatch' && inputs.ref || github.ref_name }}