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What is TailStack?

TailStack is a production-grade Project Architecture framework designed to serve as a robust starting point for ERN Stack (Express, React, Node.js) applications. It implements the TailStack Architecture—a proven structure for full-stack development—providing a scalable, secure, and maintainable foundation.
TailStack is not a rigid framework. It’s designed to be fully customizable, whether you’re building a startup MVP or a large-scale enterprise solution.

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Architecture Philosophy

The TailStack Architecture is built on several core principles:

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1. Monorepo-First Design

TailStack embraces the monorepo pattern for full-stack applications, providing:
  • Unified codebase: Frontend and backend in a single repository
  • Shared configurations: TypeScript, ESLint, and tooling consistency
  • Cross-platform automation: Smart scripts for clean, install, and deployment
  • Atomic commits: Changes across frontend and backend in a single commit

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2. Production-Ready from Day One

Every template includes:
  • Security best practices: CORS, environment variable management, and secret detection with Gitleaks
  • Git workflow automation: Husky hooks, commitlint for conventional commits
  • Performance optimization: Node clustering, Vite’s lightning-fast HMR
  • Type safety: Full TypeScript coverage across the stack

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3. AI-Powered Development

TailStack is supercharged with pre-configured Agent Skills for AI-driven development:

Vercel React Best Practices

57 rules across 8 categories for React/Next.js optimization, maintained by Vercel

Node.js Backend Patterns

Comprehensive guidance for building scalable, production-ready Node.js applications

Tailwind v4 + shadcn/ui

AI agents that understand shadcn/ui components and Tailwind CSS v4 engine
Agent Skills are located in .agent/, .claude/, .cursor/, and .opencode/ directories. Learn more at skills.sh

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The Three Templates

TailStack provides three distinct architecture templates, each optimized for specific use cases:

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Full-Stack ERN Monorepo

The flagship template featuring a complete Express + React + Node.js setup in a unified monorepo.Best for:
  • Full-stack applications requiring tight frontend-backend integration
  • Startups and MVPs that need rapid development
  • Complex projects with shared business logic
  • Teams wanting a unified codebase and deployment pipeline
Key Features:
  • Concurrent development with pnpm dev
  • Pre-configured inter-service communication
  • Weather app demo showcasing full-stack integration
  • Node cluster for maximum backend performance
  • All three agent skills included
Package Location: packages/core/Project Structure:
core/
├── source/
│   ├── frontend/    # Vite + React client
│   └── Server/      # Express + TypeScript backend
├── scripts/         # Automation utilities
└── .agent/          # AI agent skills

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Comparison Matrix

FeatureCore MonorepoReact TemplateNode Template
FrontendVite + React 19Vite + React 19—
BackendExpress 5 + TS—Express 5 + TS
UI SystemTailwind 4 + ShadcnTailwind 4 + Shadcn—
RoutingReact Router 7React Router 7Express Router
Clustering✅—✅
Weather Demo✅ Full-stack✅ Frontend-only—
Agent Skills3 skills2 skills1 skill
Dev Commandpnpm dev (both)pnpm devpnpm dev
Best ForFull-stack appsSPAs/DashboardsAPIs/Services

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Automation Scripts

All templates include cross-platform automation scripts (both PowerShell and Bash):

Smart Clean

clean.ps1 / clean.shHigh-velocity two-phase purge:
  • Parallel processing for faster deletion
  • Kills locking processes (Node, VS Code)
  • 3-retry verification loop for stubborn files
  • Removes all node_modules and lock files

Smart Install

install.ps1 / install.shIntelligent parallel installer:
  • Concurrent dependency installation
  • CPU/RAM load monitoring (90% threshold)
  • Auto-suspend/resume state machine
  • Prevents system crashes during heavy operations

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Getting Started

Choose your template and scaffold a new project: 
npx degit GitCoder052023/TailStack/packages/core my-awesome-app
cd my-awesome-app
pnpm install
pnpm dev

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Next Steps

Core Monorepo Deep Dive

Explore the full-stack ERN monorepo architecture

Project Structure

Understand the directory organization and file layout

React Template

Learn about the frontend-only architecture

Node Template

Discover the backend-only architecture

Build docs developers (and LLMs) love

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