# Use a minimal base image with Python 3.9 installed
FROM python:3.9-slim

# Set the working directory inside the container to /app
WORKDIR /app

# Copy all files from the current directory on the host to the container's /app directory
COPY . .

# Install Python dependencies listed in requirements.txt
RUN pip install --no-cache-dir -r requirements.txt
RUN pip install gunicorn flask

# Expose the port the Flask app will run on (Hugging Face Spaces default to 7860 for Docker SDK)
EXPOSE 7860

# Define the command to run the Flask application using gunicorn
CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:app"]