Add minimal Docker setup with linuxserver/webtop

Author: alexlib

Dockerfile.minimal

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+# Use a base image with noVNC already set up
+FROM linuxserver/webtop:ubuntu-xfce
+
+# Set environment variables
+ENV DEBIAN_FRONTEND=noninteractive
+ENV PYTHONUNBUFFERED=1
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    wget \
+    git \
+    build-essential \
+    cmake \
+    check \
+    libsubunit-dev \
+    pkg-config \
+    python3 \
+    python3-pip \
+    python3-setuptools \
+    python3-wheel \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
+RUN pip3 install --no-cache-dir numpy matplotlib pytest tqdm cython pyyaml setuptools wheel
+
+# Create work directory
+WORKDIR /config/work
+
+# Copy PyPTV source
+COPY . /config/pyptv
+
+# Install PyPTV
+WORKDIR /config/pyptv
+RUN pip3 install -e .
+
+# Create startup script
+RUN echo '#!/bin/bash\ncd /config/work\npython3 -m pyptv.pyptv_gui' > /config/start_pyptv.sh && \
+    chmod +x /config/start_pyptv.sh
+
+# Create desktop shortcut
+RUN mkdir -p /config/.config/autostart && \
+    echo "[Desktop Entry]\nVersion=1.0\nType=Application\nName=PyPTV\nComment=Particle Tracking Velocimetry\nExec=/config/start_pyptv.sh\nIcon=\nPath=/config/work\nTerminal=false\nStartupNotify=false" > /config/.config/autostart/pyptv.desktop
+
+# Set working directory
+WORKDIR /config/work

docker-compose.minimal.yml

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+version: '3'
+
+services:
+  pyptv:
+    build:
+      context: .
+      dockerfile: Dockerfile.minimal
+    ports:
+      - "3000:3000"  # noVNC web interface
+    volumes:
+      - ./data:/config/work  # Mount local data directory
+    restart: unless-stopped

run_minimal_docker.sh

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+#!/bin/bash
+
+# Create data directory if it doesn't exist
+mkdir -p data
+
+# Build and start the container
+docker-compose -f docker-compose.minimal.yml up -d
+
+# Print instructions
+echo "
+PyPTV with noVNC is now running!
+
+Access the PyPTV GUI by opening your web browser and navigating to:
+http://localhost:3000
+
+No password is required.
+
+Your local 'data' directory is mounted to /config/work inside the container.
+Any files you save there will be accessible on your host system.
+
+To stop the container, run: docker-compose -f docker-compose.minimal.yml down
+"
+
+# Open browser (if available)
+if command -v xdg-open &> /dev/null; then
+    xdg-open http://localhost:3000
+elif command -v open &> /dev/null; then
+    open http://localhost:3000
+elif command -v start &> /dev/null; then
+    start http://localhost:3000
+fi