name: Occlum Docker Build and Push

# Triggers the workflow on pre-release events
on:
  release:
    types: [prereleased]

jobs:
  generate-centos-image:
      # GitHub Actions doesn't have CentOS VM provided
      runs-on: ubuntu-18.04

      steps:
      - name: Prepare tools
        run: |
          sudo apt-get update
          sudo apt-get install yum
      - name: Checkout code
        uses: actions/checkout@v2

      # Because "Build and push" step `context` field can't be subdir,
      # we need to copy files needed by dockerfile to root dir of the project
      - name: Copy context for docker build
        run: |
          cp -r tools/toolchains .
          cp -r tools/docker .

      - name: Get release version
        id: get_version
        run: echo "RELEASE_VERSION=$(echo ${GITHUB_REF:10})" >> $GITHUB_ENV;

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./tools/docker/Dockerfile.centos8.1
          platforms: linux/amd64
          push: true
          tags: occlum/occlum:${{ env.RELEASE_VERSION }}-centos8.1


  generate-ubuntu-image:
      runs-on: ubuntu-18.04

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

      # Because "Build and push" step `context` field can't be subdir,
      # we need to copy files needed by dockerfile to root dir of the project
      - name: Copy context for docker build
        run: |
          cp -r tools/toolchains .
          cp -r tools/docker .

      - name: Get release version
        id: get_version
        run: echo "RELEASE_VERSION=$(echo ${GITHUB_REF:10})" >> $GITHUB_ENV;

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./tools/docker/Dockerfile.ubuntu18.04
          platforms: linux/amd64
          push: true
          tags: occlum/occlum:${{ env.RELEASE_VERSION }}-ubuntu18.04