Add Docker image and JupyterLab docker compose.

Author: brycelelbach

.github/workflows/build-docker-image.yml

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+name: Build and Push Docker Image
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'build/dockerfile'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./
+          dockerfile: build/dockerfile
+          push: true
+          tags: ghcr.io/${{ github.repository }}:${{ github.sha }}
+          tags: ghcr.io/${{ github.repository }}:latest

build/dockerfile

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+FROM rapidsai/devcontainers:25.10-cpp-cuda12.9
+
+WORKDIR /pyhpc-tutorial
+
+COPY . /pyhpc-tutorial
+
+RUN pip install --root-user-action ignore -r build/requirements.txt

build/jupyterlab-docker-compose.yml

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+version: '3.8'
+
+services:
+  backend:
+    image: ghcr.io/pyhpc/pyhpc-tutorial:latest
+    pull_policy: always
+    ulimits:
+      memlock: -1
+      stack: 67108864
+    shm_size: 1g
+    deploy:
+      resources:
+        reservations:
+          devices:
+            driver: nvidia
+            count: all
+            capabilities: [gpu]
+    ports:
+      "0.0.0.0:8888:8888" # JupyterLab
+    volumes:
+      /home/ubuntu/pyhpc-tutorial:/pyhpc-tutorial
+    user: root
+    working_dir: /pyhpc-tutorial/notebooks
+    command: >
+      python -m jupyter lab
+      --allow-root
+      --ip=0.0.0.0
+      --no-browser
+      --NotebookApp.token=''
+      --NotebookApp.password=''
+      --NotebookApp.default_url=''
+    restart: unless-stopped

build/requirements.txt

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+numpy
+
+# Scientific/numeric
+scipy
+matplotlib
+opencv-python
+
+# CUDA
+cuda-python == 12.9.1 # cuda.{core, bindings, cooperative, parallel}, numba.cuda
+nvmath-python[cu12]
+cupy-cuda12x
+numba-cuda
+
+# NVIDIA devtools
+nvtx
+nsightful[notebook] @ git+https://github.com/brycelelbach/nsightful.git
+
+# Distributed programming
+mpi4py