Dockerfile

# Multi-stage build for ContextOptimizer
FROM node:18-alpine AS frontend-builder

# Set working directory for frontend
WORKDIR /app/frontend

# Copy frontend package files
COPY frontend/package*.json ./
COPY frontend/tsconfig.json ./
COPY frontend/next.config.js ./
COPY frontend/tailwind.config.js ./
COPY frontend/postcss.config.js ./
COPY frontend/.eslintrc.json ./

# Install frontend dependencies
RUN npm ci --only=production

# Copy frontend source code
COPY frontend/src ./src

# Build frontend
RUN npm run build

# Python backend stage
FROM python:3.12-slim AS backend

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV PATH="/opt/venv/bin:$PATH"

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

# Create virtual environment
RUN python -m venv /opt/venv

# Set working directory
WORKDIR /app

# Copy backend requirements
COPY backend/pyproject.toml ./backend/
COPY backend/uv.lock ./backend/

# Install uv and Python dependencies
RUN pip install uv
RUN cd backend && uv pip install -e .

# Copy backend source code
COPY backend ./backend

# Copy built frontend
COPY --from=frontend-builder /app/frontend/.next ./frontend/.next
COPY --from=frontend-builder /app/frontend/public ./frontend/public
COPY --from=frontend-builder /app/frontend/package.json ./frontend/

# Create necessary directories
RUN mkdir -p /app/data/uploads
RUN mkdir -p /app/data/sessions
RUN mkdir -p /app/logs
RUN mkdir -p /app/backend/test_data

# Expose port
EXPOSE 8000

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

# Start command
CMD ["python", "-m", "uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "8000"]