FROM python:3.10-slim

WORKDIR /app

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

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

# Copy the rest of the application
COPY . .

# Create directories
RUN mkdir -p uploads results

# Set environment variables
ENV PORT=5000

# Expose the port
EXPOSE ${PORT}

# Run the application with gunicorn
CMD gunicorn --bind 0.0.0.0:${PORT} app:app