FROM python:3.9

# Set the working directory inside the container
WORKDIR /app

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

# Copy the rest of the application code
COPY . .

# Set permissions for the HF user
RUN chmod -R 777 /app

# Hugging Face Spaces requires port 7860
EXPOSE 7860

# Run the application using Gunicorn for stability
# 'app:app' refers to the Flask object in your app.py file
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]