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Lessons (7)

• Frontend Testing Strategy

  What to test and how. The testing trophy, unit tests with Vitest, component tests with Testing Library, API …

• React vs Vue vs Angular

  … state library included. - Angular 🏢 = a fully furnished office : everything built in (router, forms, HTTP, DI, testing), with strong …

• KISS: Keep It Simple, Stupid

  … C -- O[Slower onboarding] C -- T[Harder to test] B & R & O & T -- Cost["💸 Every change costs more …

• Hexagonal Architecture (Ports & Adapters)

  … Driving vs driven sides, a complete TypeScript example, testing with fake adapters, and how to structure the folders …

• Which Pattern Do I Need?

  … 1. 🏭 Factory — creating the right object from config or input 2. 🔌 Adapter — wrapping 3rd-party libraries 3. ☕ Decorator …

• Docker & Containers

  … Your app, its runtime (Node 22), libraries and config go into one standard box that runs identically on …

• API Gateway, BFF & Service Discovery

  … and load-balances itself Netflix Eureka, Consul + client library Server-side discovery The client calls a stable address …