| # Use official Python runtime as base image | |
| FROM python:3.9-slim | |
| # Set working directory | |
| WORKDIR /app | |
| # Set environment variables | |
| ENV PYTHONUNBUFFERED=1 | |
| ENV PYTHONDONTWRITEBYTECODE=1 | |
| ENV STREAMLIT_SERVER_HEADLESS=true | |
| ENV STREAMLIT_SERVER_PORT=7860 | |
| ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0 | |
| ENV STREAMLIT_BROWSER_GATHER_USAGE_STATS=false | |
| # 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 first for better caching | |
| COPY requirements.txt . | |
| # Install Python dependencies | |
| RUN pip install --no-cache-dir --upgrade pip && \ | |
| pip install --no-cache-dir -r requirements.txt | |
| # Download NLTK data | |
| RUN python -c "import nltk; nltk.download('vader_lexicon'); nltk.download('punkt'); nltk.download('stopwords')" | |
| # Copy application code | |
| COPY . . | |
| # Create necessary directories | |
| RUN mkdir -p logs cache model_cache temp | |
| # Expose port | |
| EXPOSE 7860 | |
| # Health check | |
| HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health | |
| # Run application | |
| CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"] |