docker-build.yml

name: Docker Build

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Get current date
        id: date
        run: echo "::set-output name=date::$(date +'%m-%d-%Y')"

      - name: Login to DockerHub
        if: github.ref == 'refs/heads/master'
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Convert Github Organization to Lowercase
        run: echo IMAGE_REPOSITORY=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: ${{ env.IMAGE_REPOSITORY }}:${{steps.date.outputs.date}}

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}