Introduction

What is Expojet?

Expojet is a CLI tool that generates production-ready Expo SDK 57 mobile applications and full-stack monorepos in a single command. Unlike starter templates, Expojet lets you compose exactly the stack you need — authentication, database, styling, navigation, and backend — all wired together with type-safe contracts and best practices baked in.

npx create-expojet my-app

Core Philosophy

Ship Fast, Ship Right

Expojet eliminates the boilerplate maze. Every generated project comes with proper TypeScript types, secure secret handling, and tested integration patterns. You focus on your product — not on wiring libraries together.

Compatibility Tested

Every combination of adapters (auth × database × styling × navigation × backend) is tested against Expo SDK 57. You won't hit "works in isolation, breaks together" surprises.

Type Safety is Non-Negotiable

Every generated project is fully typed. API contracts between your mobile app and backend use shared schemas (tRPC with Hono, typed fetch with Express/NestJS, or reactive queries with Convex).

Strict Security Boundary

Server secrets (DATABASE_URL, CLERK_SECRET_KEY, etc.) never leak into your mobile bundle. All mobile-accessible variables use the EXPO_PUBLIC_ prefix. This is enforced at generation time and validated by the doctor command.

What You Get

Quick Start

# Create a new project with interactive prompts
npx create-expojet my-app

# Or use flags for non-interactive setup
npx create-expojet my-app \
  --auth clerk \
  --database neon \
  --orm drizzle \
  --style nativewind \
  --navigation router \
  --navigation-type tabs \
  --backend hono \
  --structure monorepo \
  --typescript

Next Steps