Dockerfile

# Use Python 3.10 slim image
FROM python:3.10-slim

# Create a non-root user
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

# Set working directory
WORKDIR /app

# Copy requirements first to leverage Docker cache
COPY --chown=user ./requirements.txt requirements.txt

# Install dependencies
RUN pip install --no-cache-dir --user -r requirements.txt

# Download NLTK data
RUN python -c "import nltk; nltk.download('punkt')"

# Copy the rest of the application
COPY --chown=user . /app

# Expose the port Hugging Face Spaces uses
EXPOSE 7860

# Command to run the application
CMD ["streamlit", "run", "app.py", "--server.address", "0.0.0.0", "--server.port", "7860"]