Dockerfile

FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app

# Install system dependencies needed by numpy, scipy, scikit-learn, numba
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    libffi-dev \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt gunicorn

# Copy application code
COPY . .

# Run migrations to initialize the SQLite database
RUN python manage.py migrate --noinput

EXPOSE 8000

CMD ["gunicorn", "HeatmapBackend.wsgi:application", \
     "--bind", "0.0.0.0:8000", \
     "--workers", "4", \
     "--timeout", "300", \
     "--max-requests", "1000"]