added gh workflow file

.github/workflows/docker-image.yml

@@ -0,0 +1,43 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# GitHub recommends pinning actions to a commit SHA.
+# To get a newer version, you will need to update the SHA.
+# You can also reference a tag or branch, but the action may change without warning.
+
+name: Publish Docker image
+
+on:
+  push:
+    branches: [ "master" ]
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: histotools/HistoQC
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,5 +1,4 @@
 # Dockerfile for HistoQC.
-#
 # This Dockerfile uses two stages. In the first, the project's python dependencies are
 # installed. This requires a C compiler. In the second stage, the HistoQC directory and
 # the python environment are copied over. We do not require a C compiler in the second
@@ -19,16 +18,23 @@ RUN python -m venv venv \
     # We force this so there is no error even if the dll does not exist.
     && rm -f libopenslide-0.dll
 
-FROM python:3.8-slim
+FROM rayproject/ray-ml:latest-gpu
 ARG DEBIAN_FRONTEND=noninteractive
+USER root
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
         libopenslide0 \
         libtk8.6 \
         procps \
     && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /opt/HistoQC
 COPY --from=builder /opt/HistoQC/ .
-ENV PATH="/opt/HistoQC/venv/bin:$PATH"
 
+RUN pip install .
+
+USER ray
 WORKDIR /data
+
+# CMD ["bash"]
+CMD [ "python", "-m", "histoqc", "--help" ]