blog/.github/workflows/main.yml

name: docker
on:
  push:
    branches: [ main ]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3   
    - name: Build the Docker image
      run: |
        echo "${{ secrets.DOCKER_HUB_TOKEN }}" | docker login -u "${{ secrets.DOCKER_HUB_USERNAME }}" --password-stdin docker.io
        docker build . --file Dockerfile --tag docker.io/${{ secrets.DOCKER_HUB_USERNAME }}/${{ secrets.DOCKER_HUB_REPOSITORY }}:latest
        docker push docker.io/${{ secrets.DOCKER_HUB_USERNAME }}/${{ secrets.DOCKER_HUB_REPOSITORY }}:latest