Dockerfile

FROM python:3.11-slim

WORKDIR /app

# Install system dependencies (minimal — no OpenCV needed)
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better Docker caching
COPY server/requirements.txt ./requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy all environment code
COPY . /app/

# Generate the dataset at build time (deterministic, <1MB)
RUN python -m data.generate_dataset

# Set PYTHONPATH
ENV PYTHONPATH="/app:$PYTHONPATH"

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')" || exit 1

# Expose port
EXPOSE 8000

# Run the FastAPI server
CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "8000"]