release.yaml

name: Go Release

on:
  push:
    tags:
      - "*"
    paths:
      - src/**/*
      - .github/workflows/**

permissions:
  contents: write
  packages: write
  issues: write
  id-token: write

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  test:
    name: Unit Tests
    runs-on: ubuntu-latest
    steps:
      # Checkout code
      - name: Checkout repository
        uses: actions/checkout@v6

      # Set up Go environment
      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          go-version-file: "src/go.mod"
          cache: true
          cache-dependency-path: "**/*.sum"

      - name: Run tests
        working-directory: "src/"
        run: go test ./... -race

  goreleaser:
    runs-on: ubuntu-latest
    needs:
      - test

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version-file: "src/go.mod"
          cache-dependency-path: "**/*.sum"
          cache: true

      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v7
        with:
          args: release --clean
          workdir: src/
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload arm64 build artifacts
        uses: actions/upload-artifact@v6
        with:
          name: CalendarAPI-linux-arm64
          path: src/dist/CalendarAPI_linux_arm64_v8.0/calendarapi
          if-no-files-found: error

      - name: Upload amd64 build artifacts
        uses: actions/upload-artifact@v6
        with:
          name: CalendarAPI-linux-amd64
          path: src/dist/CalendarAPI_linux_amd64_v1/calendarapi
          if-no-files-found: error

  docker-build:
    runs-on: ubuntu-latest
    needs:
      - goreleaser

    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: linux/amd64
            os: linux
            arch: amd64
          - platform: linux/arm64
            os: linux
            arch: arm64

    steps:
      - name: set environment variables
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV

          image="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
          image="$(echo $image | tr '[:upper:]' '[:lower:]')"
          echo "FULL_IMAGE_NAME=${image}" >> $GITHUB_ENV

      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v3

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

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ github.repository }}

      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Pull in platform artifact
        uses: actions/download-artifact@v7
        with:
          name: CalendarAPI-linux-${{ matrix.arch }}

      - name: mark artifact as executable
        run: |
          chmod +x calendarapi

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.FULL_IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true,annotation-index.org.opencontainers.image.description=CalendarAPI is a service that parses iCal files and exposes their content via gRPC or a REST API.

      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v6
        with:
          name: image-digest-${{ env.PLATFORM_PAIR }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  docker-publish:
    name: Docker Publish
    runs-on: ubuntu-latest
    needs:
      - docker-build

    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: set environment variables
        run: |
          image="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
          image="$(echo $image | tr '[:upper:]' '[:lower:]')"
          echo "FULL_IMAGE_NAME=${image}" >> $GITHUB_ENV

      - name: Download digests
        uses: actions/download-artifact@v7
        with:
          path: /tmp/digests
          pattern: image-digest-*
          merge-multiple: true

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

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.FULL_IMAGE_NAME }}

      - name: Log into registry ${{ env.REGISTRY }}
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ env.FULL_IMAGE_NAME }}@sha256:%s ' *)

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.FULL_IMAGE_NAME }}:${{ steps.meta.outputs.version }}