DockerHub Publish Branch on new Tag

publish-image-on-tag.yml

name: Publish Docker Image

on:
  push:
    tags:
      - v*

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Rebase publish on main
        run: |
          git checkout publish
          git pull origin main
          git merge --no-commit --no-ff main
          if [ -z "$(git diff --cached --name-only)" ]; then
            git commit -m "Rebase publish on main"
            git push origin publish
          else
            echo "Conflicts detected, aborting rebase."
            exit 1
          fi

      - name: Build and push Docker image
        run: |
          # Your Docker image building and pushing script goes here
          # For example:
          docker build -t my-image .
          docker tag my-image $GITHUB_SHA
          docker push my-image