docker-build-push.yaml

name: docker build and push
on:
  pull_request: {}
  push:
    branches:
      - main
    tags:
      - '*'

env:
  GO_VERSION: '1.21.3'
  DOCKER_BUILDX_VERSION: 'v0.11.2'
  XP_CHANNEL: master
  XP_VERSION: current
  XPKG_ACCESS_ID: ${{ secrets.XPKG_ACCESS_ID }}
  XPKG: index.docker.io/gotwarlost/crossplane-function-cue

jobs:
  build:
    name: build multi-arch packages
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: true
      matrix:
        arch:
          - amd64
          - arm64
    steps:
      - name: setup QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: all

      - name: setup Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          version: ${{ env.DOCKER_BUILDX_VERSION }}
          install: true

      - name: checkout
        uses: actions/checkout@v4

      - name: setup LDFLAGS
        run: |
          LDFLAGS="$(make ci-print-ldflags)"
          echo "LDFLAGS=${LDFLAGS}">>$GITHUB_ENV

      # We ask Docker to use GitHub Action's native caching support to speed up
      # the build, per https://docs.docker.com/build/cache/backends/gha/.
      - name: build runtime
        id: image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/${{ matrix.arch }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          target: image
          build-args: |
            GO_VERSION=${{ env.GO_VERSION }}
            LDFLAGS=${{ env.LDFLAGS }}
          outputs: type=docker,dest=runtime-${{ matrix.arch }}.tar

      - name: setup the Crossplane CLI
        run: "curl -sL https://raw.githubusercontent.com/crossplane/crossplane/master/install.sh | sh"

      - name: remove examples from tree
        run: rm -rf examples/

      - name: build Package
        run: ./crossplane xpkg build --package-file=${{ matrix.arch }}.xpkg --package-root=package/ --embed-runtime-image-tarball=runtime-${{ matrix.arch }}.tar

      - name: upload single-platform package
        uses: actions/upload-artifact@v3
        with:
          name: packages
          path: "*.xpkg"
          if-no-files-found: error
          retention-days: 1

  # This job downloads the single-platform packages built by the build job, and
  # pushes them as a multi-platform package.
  push:
    runs-on: ubuntu-22.04
    needs:
      - build
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Download Single-Platform Packages
        uses: actions/download-artifact@v3
        with:
          name: packages
          path: .

      - name: Setup the Crossplane CLI
        run: "curl -sL https://raw.githubusercontent.com/crossplane/crossplane/master/install.sh | sh"

      - name: Set Multi-Platform Package Version
        run: echo "XPKG_VERSION=$(make ci-print-version)" >> $GITHUB_ENV

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          registry: docker.io
          username: ${{ secrets.XPKG_ACCESS_ID }}
          password: ${{ secrets.XPKG_TOKEN }}
        if: env.XPKG_ACCESS_ID != ''

      - name: Push Multi-Platform Package to docker hub
        if: env.XPKG_ACCESS_ID != ''
        run: "./crossplane --verbose xpkg push --package-files $(echo *.xpkg|tr ' ' ,) ${{ env.XPKG }}:${{ env.XPKG_VERSION }}"