Cleanup docker file

.github/workflows/build_docker.yml

@@ -7,46 +7,27 @@ on:
       - completed
 
 jobs:
-  # define job to build and publish docker image
   build-and-push-docker-image:
     name: Build Docker image and push to repositories
-    # run only when code is compiling and tests are passing
     runs-on: ubuntu-latest
-
-    # steps to perform in job
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
-
-      # setup Docker buld action
       - name: Set up Docker Buildx
         id: buildx
         uses: docker/setup-buildx-action@v2
-
-#      - name: Login to DockerHub
-#        uses: docker/login-action@v2
-#        with:
-#          username: ${{ secrets.DOCKERHUB_USERNAME }}
-#          password: ${{ secrets.DOCKERHUB_TOKEN }}
-
       - name: Login to Github Packages
         uses: docker/login-action@v2
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-
       - name: Build image and push to Docker Hub and GitHub Container Registry
         uses: docker/build-push-action@v4
         with:
-          # relative path to the place where source code with Dockerfile is located
           context: ./docker/
-          # Note: tags has to be all lower-case
           tags: |
-#            jakobilab/circtools:master
             ghcr.io/jakobilab/circtools/circtools:latest
-          # build on feature branches, push only on main branch
           push: ${{ github.ref == 'refs/heads/master' }}
-
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}