# Use an official Python runtime as a parent image
FROM python:3.9-slim

# Set the working directory in the container
WORKDIR /code

# Copy the dependencies file to the working directory
COPY ./requirements.txt /code/requirements.txt

# Install any needed packages specified in requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# Copy the main application file
COPY ./app.py /code/app.py

# Expose the port that Gunicorn will run on
# Hugging Face Spaces expects the app to run on port 7860
EXPOSE 7860

# Define the command to run the application using Gunicorn
# This will be a robust server for your API
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]