# Use python 3.11 slim image
FROM python:3.11-slim

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

# Set working directory
WORKDIR /app

# Install system dependencies for OpenCV and image handling
RUN apt-get update && apt-get install -y \
    build-essential \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy the entire backend server codebase
COPY . .

# Expose port 7860 (Hugging Face Spaces default container port)
EXPOSE 7860

# Run FastAPI using uvicorn on port 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]