Dockerfile

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

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy the entire application
COPY . .

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

# Expose the port the app runs on
EXPOSE 7860

# Set environment variable for port
ENV PORT=7860

# Run the application
CMD ["python", "app.py"]