docker.yml

name: Docker Image CI

on:
  push:
    branches: [ '*' ]

env:
  IMAGE_NAME: rusty

jobs:
  # Push image to GitHub Packages.
  # See also https://docs.docker.com/docker-hub/builds/
  build-linux:
    runs-on: ${{ matrix.config.os }}
    strategy:
      matrix:
        config:
          - {
            os: "ubuntu-latest",
            version: "linux",
            arch: "x86_64"
          }
    permissions:
      packages: write
      contents: read

    steps:
      - uses: actions/checkout@v3

      - name: Build image
        shell: bash
        run: docker buildx build . --platform ${{matrix.config.version}}/${{matrix.config.arch}}  --file Dockerfile --tag $IMAGE_NAME

      - name: Log in to registry
        if: ${{ github.event_name != 'pull_request' }}
        # This is where you will update the PAT to GITHUB_TOKEN
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Push image
        shell: bash
        if: ${{ github.event_name != 'pull_request' }}
        run: |
          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

          # Extract branch name
          BRANCH_NAME=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

          # Change all uppercase to lowercase
          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')

          # Strip git ref prefix from version
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

          # Use Docker `latest` tag convention
          [ "$VERSION" == "main" ] && VERSION=latest
          #Add the platform to the version
          VERSION=$VERSION-${{ matrix.config.arch }}
          echo IMAGE_ID=$IMAGE_ID
          echo VERSION=$VERSION
          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
          docker push $IMAGE_ID:$VERSION

  push-multiplatform:
    name: Push multi platform
    needs: build-linux
    runs-on: ubuntu-latest
    if: ${{ github.event_name != 'pull_request' }}
    steps:
      - name: Log in to registry
        if: ${{ github.event_name != 'pull_request' }}
        # This is where you will update the PAT to GITHUB_TOKEN
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Get images
        shell: bash
        run: |
          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

          # Change all uppercase to lowercase
          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
          # Strip git ref prefix from version
          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
          # Strip "v" prefix from tag name
          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
          # Use Docker `latest` tag convention
          [ "$VERSION" == "main" ] && VERSION=latest
          echo IMAGE_NAME=$IMAGE_NAME
          echo IMAGE_ID=$IMAGE_ID
          echo VERSION=$VERSION
          docker manifest create $IMAGE_ID:$VERSION $IMAGE_ID:$VERSION-x86_64
          docker manifest push $IMAGE_ID:$VERSION