infra/.github/workflows/build-devcontainer.yml at main · bootc-dev/infra · GitHub

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name: Build DevContainer

on:
  push:
    branches: [main]
    tags: ['v*']
  pull_request:
    paths:
      - 'devenv/**'
      - 'common/.devcontainer/**'
      - '.github/workflows/build-devcontainer.yml'

env:
  REGISTRY: ghcr.io

jobs:
  validate-devcontainer:
    runs-on: ubuntu-24.04

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Install just
        uses: extractions/setup-just@v4

      - name: Validate devcontainer.json syntax
        run: just devcontainer-validate

  build:
    needs: validate-devcontainer
    runs-on: ${{ matrix.runner }}
    strategy:
      fail-fast: false
      matrix:
        os: [debian, ubuntu, c10s]
        arch: [amd64, arm64]
        include:
          - arch: amd64
            runner: ubuntu-24.04
          - arch: arm64
            runner: ubuntu-24.04-arm

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Log in to Container Registry
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/devenv-${{ matrix.os }}

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@v7
        with:
          context: devenv
          file: devenv/Containerfile.${{ matrix.os }}
          platforms: linux/${{ matrix.arch }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ env.REGISTRY }}/${{ github.repository_owner }}/devenv-${{ matrix.os }},push-by-digest=true,name-canonical=true,push=${{ github.event_name != 'pull_request' }}

      - 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@v7
        with:
          name: digests-${{ matrix.os }}-${{ matrix.arch }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: ubuntu-24.04
    needs: build
    if: github.event_name != 'pull_request'
    strategy:
      matrix:
        os: [debian, ubuntu, c10s]
    steps:
      - name: Download digests
        uses: actions/download-artifact@v8
        with:
          path: /tmp/digests
          pattern: digests-${{ matrix.os }}-*
          merge-multiple: true

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ github.repository_owner }}/devenv-${{ matrix.os }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=sha,prefix={{branch}}-,format=short
            type=sha,prefix={{branch}}-,format=long
            type=ref,event=pr
            type=ref,event=tag

      - name: Log in to Container Registry
        uses: docker/login-action@v4
        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.REGISTRY }}/${{ github.repository_owner }}/devenv-${{ matrix.os }}@sha256:%s ' *)

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ github.repository_owner }}/devenv-${{ matrix.os }}:${{ steps.meta.outputs.version }}