on:
  push:
    branches:
      - master
    paths-ignore:
      - "**.md"
      - "docs/**"
    tags:
      - "v*.*.*"
name: docker-build
jobs:
  build:
    if: github.repository == 'p4gefau1t/trojan-go'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout the code
        uses: actions/checkout@v2

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

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

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

      - name: Prepare
        id: prepare
        run: |
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            echo ::set-output name=version::${GITHUB_REF#refs/tags/}
            echo ::set-output name=ref::${GITHUB_REF#refs/tags/}
          else
            echo ::set-output name=version::snapshot
            echo ::set-output name=ref::${{ github.sha }}
          fi
          echo ::set-output name=docker_platforms::linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
          echo ::set-output name=docker_image::${{ secrets.DOCKER_USERNAME }}/trojan-go

      - name: Build and push docker image
        run: |
          docker buildx build --platform ${{ steps.prepare.outputs.docker_platforms }} \
          --output "type=image,push=true" \
          --tag "${{ steps.prepare.outputs.docker_image }}:${{ steps.prepare.outputs.version }}" \
          --tag "${{ steps.prepare.outputs.docker_image }}:latest" \
          --build-arg REF=${{ steps.prepare.outputs.ref }} \
          --file Dockerfile .

  test:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Test docker image
        run: |
          docker run --rm --entrypoint /usr/local/bin/trojan-go ${{ secrets.DOCKER_USERNAME }}/trojan-go -version