main.yml

name: Build and Push Image to DockerHub

on:
  push:
    branches:
      - 'master'

jobs:
  dockerhub:
    runs-on: ubuntu-latest
    steps:
      - name: check repository
        uses: actions/checkout@v4
      - name: login to docker registry
        uses: docker/login-action@v3
        with:
          username: ${{secrets.DOCKER_USERNAME}}
          password: ${{secrets.DOCKER_PASSWORD}}
      - name: lowercase github.repository
        run: |
          echo "IMAGE_NAME=`echo ${{github.repository}} | tr '[:upper:]' '[:lower:]'`" >>${GITHUB_ENV}
      - name: build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ env.IMAGE_NAME }}:latest
      - name: update docker hub description
        uses: peter-evans/dockerhub-description@v4
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
          repository: ${{ env.IMAGE_NAME }}