build-image.yml

name: Build Docker Image

on:
  workflow_dispatch:
  push:
    branches: [ master ]

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - name: checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Get date
        id: date
        run: echo "::set-output name=today::$(date +'%Y-%m-%d')"

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: latest

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

      - name: Build image
        uses: docker/build-push-action@v2
        with:
          context: .
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          push: true
          tags: |
            ${{ secrets.DOCKER_USERNAME }}/webdav:latest
            ${{ secrets.DOCKER_USERNAME }}/webdav:${{ steps.date.outputs.today }}