# Use an official Python runtime as a parent image
FROM python:3.11-slim

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

# Set the working directory
WORKDIR /workspace

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first (to leverage Docker caching)
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application files
COPY . .

# Expose port 7860 (port used by Hugging Face Spaces)
EXPOSE 7860

# Start the server using uvicorn and the ASGI wrapper
CMD ["python", "app.py"]