name: Docker

on:
  push:
    branches:
      - master

env:
  VERSION: latest

jobs:
  push:
    name: Push
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false

      matrix:
        image:
          - "alpine"
          - "alpine-install"
          - "java7"
          - "java8"
          - "java9"
          - "java10"
          - "java11"
          - "java12"
          - "java13"
          - "java14"
          - "java15"
          #- "source"
          #- "source-install"

    steps:
      - name: Code Checkout
        uses: actions/checkout@v2

      - name: Install buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: v0.5.1

      - name: Registry Authentication
        run: |
          echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin

      - name: Build Image
        env:
          IMAGE_ID: docker.pkg.github.com/${{ github.repository }}/${{ matrix.image }}:latest
        run: |
          docker buildx build --output=type=registry --platform linux/amd64 --tag $IMAGE_ID ./${{ matrix.image }}