First Steps — Basics · NestJS

Boot a Nest application from one module, one controller and one provider, read what Nest prints, and return your first JSON response.

What you will learn

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What you'll learn

  • Recognise the four files every Nest application starts from and what each declares
  • Register a provider in a module so Nest can inject it into a controller
  • Read Nest's dependency error and its boot log to see what was and was not wired