# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

# GitHub recommends pinning actions to a commit SHA.
# To get a newer version, you will need to update the SHA.
# You can also reference a tag or branch, but the action may change without warning.

name: Publish Docker image

on:
  push:
    tags:
      - 'v*'

  workflow_dispatch:

jobs:
  test:
    name: Go Test
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version-file: go.mod

    - name: Install libvips
      run: |
        sudo apt-get update
        sudo apt-get install -y libvips-dev

    - name: Verify libvips install
      run: vips --version

    - name: Build
      run: go build -v ./...

    - name: Test
      uses: robherley/go-test-action@v0

  push_to_registry:
    name: Push Docker image to Docker Hub
    needs: test
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
      attestations: write
      id-token: write
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: Log in to Docker Hub
        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: gabehf/koito

      - name: Extract tag version
        id: extract_version
        run: echo "KOITO_VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV

      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: |
            gabehf/koito:latest
            gabehf/koito:${{ env.KOITO_VERSION }}
          build-args: |
            KOITO_VERSION=${{ env.KOITO_VERSION }}

      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@v2
        with:
          subject-name: index.docker.io/gabehf/koito
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true