name: Main

on:
  push:
    branches:
      - 'master'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      # https://github.com/actions/checkout
      - name: Checkout
        uses: actions/checkout@master
        with:
          fetch-depth: 1
      # https://github.com/actions/docker/tree/master/cli
      - name: Package
        uses: actions/docker/cli@master
        with:
          args: build -t ${{ github.repository }}:latest -t ${{ github.repository }}:${{ github.sha }} .
      # https://github.com/actions/docker/tree/master/login
      - name: Publish Auth
        uses: actions/docker/login@master
        env:
          # https://help.github.com/en/articles/virtual-environments-for-github-actions#creating-and-using-secrets-encrypted-variables
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
      # https://github.com/actions/docker/tree/master/cli
      - name: Publish
        uses: actions/docker/cli@master
        with:
          args: push ${{ github.repository }}:latest