# Use Python 3.9
FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Install system dependencies
# FIXED: Replaced 'libgl1-mesa-glx' with 'libgl1' for newer Debian versions
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install them
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application
COPY . .

# Create the upload directory to prevent permission errors
RUN mkdir -p uploads && chmod 777 uploads

# Create the dataset directory structure if it doesn't exist
RUN mkdir -p static/dataset/colored_images

# Expose the port Hugging Face uses
EXPOSE 7860

# Run the application using Gunicorn
CMD ["gunicorn", "-b", "0.0.0.0:7860", "--timeout", "120", "app:app"]