docker image build and push

dockerbuild.yaml

# .github/workflows/dockerbuild.yaml
on:
  push:
    branches:
      - main
    paths:
      - 'dockerimage/**'
jobs:
  build:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ./dockerimage
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Login to Docker Hub or image repository
        #if: github.ref_type == 'tag'
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v3
        with:
          context: ./dockerimage
          file: ./dockerimage/Dockerfile
          push: true
          tags: parjun8840/gha:${{ github.sha }}