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How to create AWS Lambda dependency injection services with invocation lifetime scope?


What is dependency injection?Dependency Injection vs Factory PatternInversion of Control vs Dependency InjectionWhy does one use dependency injection?In Simple Injector why is it an error for a singleton or scoped service to depend on a transient service.NET Core/EF 6 - Dependency Injection ScopeDapper with .NET Core - injected SqlConnection lifetime/scopeWhy using scoped lifetime can make a circular injection?Service lifetimes transient vs scoped vs singletonInjecting scoped service from singleton service in .net core 2.1






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We can register services in AWS Lambda with AddTransient, AddScoped and AddSingleton but only Transient and Singleton work as expected. Lambda doesn’t understand the scope of one invocation, so the service added with AddScoped will live during the Lambda life. So, its behavior is the same as a Singleton service.



How can I create AWS Lambda dependency injection services with invocation lifetime scope?










share|improve this question
























  • How are you resolving the dependencies in the lambda code? Are you manually resolving by doing Container.Resolve inside Lambda handler method?

    – Chetan Ranpariya
    Mar 22 at 5:20












  • With ServiceProvider.GetService manually for the root application service.

    – gydrocasper
    Mar 22 at 13:23

















0















We can register services in AWS Lambda with AddTransient, AddScoped and AddSingleton but only Transient and Singleton work as expected. Lambda doesn’t understand the scope of one invocation, so the service added with AddScoped will live during the Lambda life. So, its behavior is the same as a Singleton service.



How can I create AWS Lambda dependency injection services with invocation lifetime scope?










share|improve this question
























  • How are you resolving the dependencies in the lambda code? Are you manually resolving by doing Container.Resolve inside Lambda handler method?

    – Chetan Ranpariya
    Mar 22 at 5:20












  • With ServiceProvider.GetService manually for the root application service.

    – gydrocasper
    Mar 22 at 13:23













0












0








0








We can register services in AWS Lambda with AddTransient, AddScoped and AddSingleton but only Transient and Singleton work as expected. Lambda doesn’t understand the scope of one invocation, so the service added with AddScoped will live during the Lambda life. So, its behavior is the same as a Singleton service.



How can I create AWS Lambda dependency injection services with invocation lifetime scope?










share|improve this question
















We can register services in AWS Lambda with AddTransient, AddScoped and AddSingleton but only Transient and Singleton work as expected. Lambda doesn’t understand the scope of one invocation, so the service added with AddScoped will live during the Lambda life. So, its behavior is the same as a Singleton service.



How can I create AWS Lambda dependency injection services with invocation lifetime scope?







c# amazon-web-services dependency-injection aws-lambda






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Mar 22 at 0:40









jarmod

20.6k74149




20.6k74149










asked Mar 22 at 0:08









gydrocaspergydrocasper

11




11












  • How are you resolving the dependencies in the lambda code? Are you manually resolving by doing Container.Resolve inside Lambda handler method?

    – Chetan Ranpariya
    Mar 22 at 5:20












  • With ServiceProvider.GetService manually for the root application service.

    – gydrocasper
    Mar 22 at 13:23

















  • How are you resolving the dependencies in the lambda code? Are you manually resolving by doing Container.Resolve inside Lambda handler method?

    – Chetan Ranpariya
    Mar 22 at 5:20












  • With ServiceProvider.GetService manually for the root application service.

    – gydrocasper
    Mar 22 at 13:23
















How are you resolving the dependencies in the lambda code? Are you manually resolving by doing Container.Resolve inside Lambda handler method?

– Chetan Ranpariya
Mar 22 at 5:20






How are you resolving the dependencies in the lambda code? Are you manually resolving by doing Container.Resolve inside Lambda handler method?

– Chetan Ranpariya
Mar 22 at 5:20














With ServiceProvider.GetService manually for the root application service.

– gydrocasper
Mar 22 at 13:23





With ServiceProvider.GetService manually for the root application service.

– gydrocasper
Mar 22 at 13:23












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