# DevOS v1 Technology Stack ## Frontend - React - TypeScript - Ant Design - Ant Design ProComponents - React Router - TanStack Query - Zustand - TipTap ## Backend - Node.js - TypeScript - NestJS - Prefer Fastify adapter where appropriate ## Data - PostgreSQL - Prisma - Redis ## Infrastructure - Docker - SSH - Docker API - Nginx or Caddy integration - Linux - External DNS / cloud / Git / email APIs ## Architecture Decision Prefer NestJS + Prisma for the initial implementation because the source discussion prioritizes modular structure and AI-friendly code comprehension. ## Dependency Rule Do not introduce a new dependency without documenting: 1. Why existing dependencies cannot satisfy the requirement 2. Security and maintenance implications 3. Operational impact 4. Alternative considered