# Multi-stage Dockerfile for AegisTrade AI

# Stage 1: Frontend Build
FROM node:20-alpine AS frontend-builder
WORKDIR /app/frontend
COPY frontend/package*.json ./
RUN npm install
COPY frontend/ ./
RUN npm run build

# Stage 2: Backend & Runtime
FROM python:3.11-slim AS runtime
WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONPATH=/app/backend

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

# Copy backend requirements and install
COPY pyproject.toml ./
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir .

# Copy application code
COPY backend /app/backend
COPY data /app/data
COPY models /app/models

# Copy compiled frontend assets to static directory
COPY --from=frontend-builder /app/frontend/dist /app/frontend/dist

# Expose API port
EXPOSE 8000

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

CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "8000"]