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name: Container ghcr.io/apache/trafficcontrol/ci/trafficserver-alpine

env:
  DOCKER_BUILDKIT: '1'
  COMPOSE_DOCKER_CLI_BUILD: '1'
  CONTAINER: ghcr.io/${{ github.repository }}/ci/trafficserver-alpine

on:
  workflow_dispatch: # run manually
  push:
    paths:
      - .env
      - .github/containers/trafficserver-alpine/**
      - .github/workflows/containers/trafficserver-alpine.yml
  pull_request:
    paths:
      - .env
      - .github/containers/trafficserver-alpine/**
      - .github/workflows/containers/trafficserver-alpine.yml
    types: [ opened, reopened, ready_for_review, synchronize ]

jobs:
  build:
    if: ${{ github.repository_owner == 'apache' || github.event_name == 'workflow_dispatch' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@master
      - name: Load environment
        run: cp .env "${{ github.env }}"
      - name: Build ${{ env.CONTAINER }}:${{ env.ATS_VERSION }}
        working-directory: .github/containers/trafficserver-alpine
        run: docker-compose build
      - name: docker login ghcr.io
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Push ${{ env.CONTAINER }}:${{ env.ATS_VERSION }}
        if: ${{ github.event_name != 'pull_request' }}
        working-directory: .github/containers/trafficserver-alpine
        run: docker-compose push