# Use an official Python runtime as a parent image
FROM python:3.11-slim

# Set the working directory in the container
WORKDIR /app

# Copy the requirements file into the container at /app
COPY requirements.txt .

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

# Copy the rest of the application code into the container at /app
COPY . .

# Expose the port that the app will run on
# Hugging Face Spaces uses 7860 by default
EXPOSE 7860

# Run the application
# We use 0.0.0.0 to allow external connections
# HF Spaces automatically provides SPACE_ID environment variable
CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "7860"]