# Use Python 3.9 slim image
FROM python:3.9-slim

# Set working directory
WORKDIR /app

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

# Copy requirements and install Python dependencies
COPY requirements.txt ./
RUN pip3 install --no-cache-dir -r requirements.txt

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

# Copy the application code
COPY . .

# Create necessary directories
RUN mkdir -p models artifacts

# Expose the port that Streamlit runs on
EXPOSE 8501

# Add health check
HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health

# Run the application
CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]