NestJS · Senior · Question 3 of 75

How is the DI container organized across modules?

1There is one flat global container
✓Correct answer: Each module has its own injector scope; providers are visible inside the module and in modules that import it only if exported
3Each controller has its own container

Explanation

This encapsulation is why the same class listed in two modules' providers results in two instances.

Further reading

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