livebook/.github/workflows/release.yml

name: Release
on:
  push:
    tags:
      - "v*.*.*"
  schedule:
    # Daily at 00:00
    - cron: "0 0 * * *"
  # Workflow dispatch always builds as nightly
  workflow_dispatch:
jobs:
  create_release:
    if: github.repository == 'livebook-dev/livebook'
    name: "Create release"
    permissions:
      contents: write
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: ${{ secrets.GH_RELEASE_TOKEN }}
    steps:
      - name: Checkout git repo
        uses: actions/checkout@v4
      - name: Create release
        run: |
          if [[ "${{ github.ref_type }}" == "tag" ]]; then
            gh release create \
              --repo ${{ github.repository }} \
              --title ${{ github.ref_name }} \
              --draft \
              ${{ github.ref_name }}
          else
            ref_name="nightly"

            if ! gh release view $ref_name; then
              gh release create \
                --repo ${{ github.repository }} \
                --title $ref_name \
                --notes "Automated nightly release." \
                --latest=false \
                $ref_name
            fi

            git tag $ref_name --force
            git push origin $ref_name --force
          fi

  desktop:
    if: github.repository == 'livebook-dev/livebook'
    name: "Desktop"
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: ${{ secrets.GH_RELEASE_TOKEN }}
    steps:
      - name: Trigger desktop builds
        run: |
          if [[ "${{ github.ref_type }}" == "tag" ]]; then
            gh workflow run -R livebook-dev/livebook_cd build.yml -f ref=${{ github.ref_name }} -f release_name=${{ github.ref_name }}
          else
            gh workflow run -R livebook-dev/livebook_cd build.yml -f ref=${{ github.sha }} -f release_name=nightly
          fi

  docker:
    if: github.repository == 'livebook-dev/livebook'
    name: Docker (${{ matrix.name }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: "default"
            suffix: ""
            build_args: |
              VARIANT=default
          - name: "cuda12"
            tag_suffix: "-cuda12"
            build_args: |
              VARIANT=cuda
              CUDA_VERSION=12-6
    steps:
      - uses: actions/checkout@v4
      - run: |
          . versions
          echo "elixir=$elixir" >> $GITHUB_ENV
          echo "otp=$otp" >> $GITHUB_ENV
          echo "ubuntu=$ubuntu" >> $GITHUB_ENV
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up 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: ${{ secrets.GITHUB_TOKEN }}
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/livebook-dev/livebook
          flavor: |
            suffix=${{ matrix.tag_suffix }},onlatest=true
          tags: |
            type=semver,pattern={{version}}
            type=raw,value=nightly,enable=${{ github.ref_type != 'tag' }}
      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            BASE_IMAGE=hexpm/elixir:${{ env.elixir }}-erlang-${{ env.otp }}-ubuntu-${{ env.ubuntu }}
            ${{ matrix.build_args }}