name: docker

on:
  pull_request:
    branches:
      - master
  push:
    branches:
      - master
    tags:
      - v*

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      -
        name: Set TAG_NAME
        if: startsWith(github.ref, 'refs/tags/')
        run: |
          echo "##[set-env name=TAG_NAME;]${GITHUB_REF#refs/tags/}"
      -
        name: Checkout
        uses: actions/checkout@v1
      -
        name: Docker Build
        run: |
          docker build \
            --build-arg "VERSION=${TAG_NAME}" \
            --tag "crazymax/ghaction-github-pages:${TAG_NAME}" \
            --tag "crazymax/ghaction-github-pages:latest" \
            --file Dockerfile .
      -
        name: Docker Login
        if: success() && startsWith(github.ref, 'refs/tags/v')
        env:
          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
        run: |
          echo "${DOCKER_PASSWORD}" | docker login --username crazymax --password-stdin
      -
        name: Docker Push
        if: success() && startsWith(github.ref, 'refs/tags/v')
        run: |
          docker push crazymax/ghaction-github-pages