Dockerfile

# =============================================================================
# Intelligent Support Router - Dockerfile
# =============================================================================

# Stage 1: Base image
FROM python:3.11-slim as base

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONFAULTHANDLER=1 \
    PIP_NO_CACHE_DIR=off \
    PIP_DISABLE_PIP_VERSION_CHECK=on \
    PIP_DEFAULT_TIMEOUT=100

# Set work directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

# Stage 2: Dependencies
FROM base as dependencies

# Install Python dependencies
COPY requirements.txt .
RUN pip install --upgrade pip && \
    pip install -r requirements.txt

# Stage 3: Production
FROM dependencies as production

# Copy application code
COPY . .

# Create non-root user for security
RUN adduser --disabled-password --gecos '' appuser && \
    chown -R appuser:appuser /app
USER appuser

# Create data directory
RUN mkdir -p /app/data

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/api/v1/health || exit 1

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

# Stage 4: Development
FROM dependencies as development

# Install development dependencies
RUN pip install watchfiles

# Copy application code
COPY . .

# Expose port
EXPOSE 8000

# Run with auto-reload
CMD ["uvicorn", "src.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]