# Use official Python image
FROM python:3.10-slim

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

# Set work directory
WORKDIR /app

# Copy all files into the container
COPY . /app

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

# Install Python dependencies
RUN pip install --upgrade pip
RUN pip install -r requirements.txt

# Expose port expected by Hugging Face
EXPOSE 7860

# Run app with 4 Gunicorn workers in production mode
CMD ["gunicorn", "--workers=4", "--bind=0.0.0.0:7860", "app:app"]