A ready-to-use Github action workflow for pushing container images to the registry

name: Build and publish the container image

"on":
  push:
    tags:
      - '*'
    branches:
      - 'main'

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      -
        name: Checkout repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      -
        name: Get tag
        id: repository
        run: echo "tag=$(git describe --tags HEAD)" > $GITHUB_ENV

      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      -
        name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      -
        name: Build and push
        uses: docker/build-push-action@v3
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ghcr.io/${{ github.repository }}:${{ env.tag }}

# add the workflow
$ mkdir -p .github/workflows/
$ curl -sS -L -o .github/workflows/push-to-registry.yaml 
     https://raw.githubusercontent.com/binxio/push-to-registry-gh-action-workflow/main/.github/workflows/push-to-registry.yaml
$ git add .
$ git commit -m 'added push to ghcr.io workflow'

$ read NEW_SEMVER
$ git tag $NEW_SEMVER
$ git push --tags
$ git push