docker.yml

name: build

on:
  push:
    branches: master

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: checkout code
        uses: actions/checkout@v2
      - name: install buildx
        id: buildx
        uses: crazy-max/ghaction-docker-buildx@v1
        with:
          version: latest
      - name: login to docker hub
        run: echo "${{ secrets.DOCKER_TOKEN }}" | docker login -u "${{ secrets.DOCKER_USER }}" --password-stdin
      - name: get date
        id: date
        run: echo "::set-output name=date::$(date +'%Y%m%d')"
      - name: build the image
        run: |
          docker buildx build --push \
            --tag $GITHUB_REPOSITORY:latest \
            --tag $GITHUB_REPOSITORY:${{steps.date.outputs.date}} \
            --platform linux/amd64 .