FROM python:3.11-slim

WORKDIR /app

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

# Copy the backend code
COPY . .

# Set environment variable
ENV PYTHONPATH=/app

# Expose the port the app runs on
EXPOSE 8000

# Command to run the application
CMD ["python", "api.py"]