FROM python:3.10-slim

WORKDIR /app

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

# Copy API code
COPY main.py .

# Create volume for large JSON file (mount external)
VOLUME ["/app/data"]

# Expose port
EXPOSE 8000

# Run API
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]