Dockerfile

# Use Python 3.11 slim image
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    && 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 application code
COPY src/ ./src/
COPY .env.example .env

# Create non-root user
RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app

# Download required NLTK data to user's home directory
USER appuser
RUN python -c "import nltk; nltk.download('punkt', download_dir='/home/appuser/nltk_data'); nltk.download('stopwords', download_dir='/home/appuser/nltk_data')"

# Expose port
EXPOSE 8000


# Run the application
CMD ["uvicorn", "src.api.main:app", "--host", "0.0.0.0", "--port", "8000"]