Dockerfile

# Multi-stage build for Agent Bot

# ============================================
# Stage 1: Build Frontend
# ============================================
FROM node:20-alpine AS frontend-builder

WORKDIR /app/frontend

# Copy package files
COPY frontend/package.json frontend/package-lock.json* ./

# Install dependencies
RUN npm ci --silent

# Copy frontend source
COPY frontend/ ./

# Build frontend
RUN npm run build

# ============================================
# Stage 2: Python Backend
# ============================================
FROM python:3.11-slim AS backend

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

WORKDIR /app

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

# Install Python dependencies
COPY pyproject.toml ./
RUN pip install --no-cache-dir .

# Copy application code
COPY src/ ./src/
COPY main.py ./

# Copy built frontend from previous stage
COPY --from=frontend-builder /app/frontend/dist ./frontend/dist

# Create non-root user
RUN useradd --create-home --shell /bin/bash appuser && \
    chown -R appuser:appuser /app

# Create necessary directories
RUN mkdir -p /app/data /app/sandbox && \
    chown -R appuser:appuser /app/data /app/sandbox

USER appuser

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"

# Default command
CMD ["python", "-m", "uvicorn", "src.api.app:app", "--host", "0.0.0.0", "--port", "8000"]