build_docker_image.yml

name: Build Docker Images

on:
  push:
    branches:
      - "*"
  pull_request:
    branches:
      - "*"

env:
  REGISTRY: ghcr.io

jobs:
  build:
    name: build ((${{ matrix.platform.docker_platform}})
    runs-on: ubuntu-latest
    strategy:
      matrix:
        version: ["2_28"]
        platform:
          - arch: "x86_64"
            runner_arch: "X64"
            docker_platform: "linux/amd64"
          - arch: 'aarch64'
            runner_arch: "ARM64"
            docker_platform: "linux/arm64"
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Set up QEMU
        if:  ${{ env.RUNNER_ARCH }} != ${{ matrix.platform.runner_arch }}
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to the container registry
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/manylinux_${{ matrix.version }}_conda_epics
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: ${{ matrix.platform.docker_platform }}
          push: ${{ github.event_name != 'pull_request' }}
          build-args: |
              VER=${{ matrix.version }}
              ARCH=${{ matrix.platform.arch }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}