# Use lightweight Python base image
FROM python:3.10-slim

# Prevents Python from writing .pyc files
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    python3-dev \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first (for caching)
COPY requirements.txt .

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

# Copy the app code
COPY . .

# Expose port (Hugging Face expects 7860 for Gradio/Flask)
EXPOSE 7860

# Run Flask app
CMD ["python", "app.py"]