Dockerfile

# 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 current directory contents into the container at /app
COPY . /app

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

# Create a directory for NLTK data and set permissions
RUN mkdir -p /app/nltk_data && chmod -R 755 /app/nltk_data

# Set the NLTK_DATA environment variable
ENV NLTK_DATA=/app/nltk_data

# Run the script to download NLTK data
RUN python /app/download_nltk_data.py

# Start the FastAPI app on port 7860, the default port expected by Spaces
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]