Dockerfile

# Use a lightweight Python image
FROM python:3.12-slim

# Set working directory
WORKDIR /code

# Install system dependencies (optional but useful)
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy all project files
COPY . /code

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

# Download NLTK data
RUN python -m nltk.downloader stopwords wordnet

# Hugging Face requires exposing port 7860 (even if Streamlit uses others)
EXPOSE 7860

# Streamlit by default runs on port 8501 — must override for HF Spaces
ENV PORT=7860

# Disable Streamlit telemetry & browser auto-open
ENV STREAMLIT_BROWSER_GATHER_USAGE_STATS=false
ENV STREAMLIT_SERVER_HEADLESS=true

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