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Serverless OAuth2 server with OpenIddict 5 and AWS DynamoDB - Part 0

· 6 min read
Akhan Zhakiyanov
Akhan Zhakiyanov
Lead engineer

After succesfully running ASP.NET 8 Minimal API with Lambda Container image it's time to run something real.

And just in December 2023 Kévin Chalet announced new version of OpenIddict, the library to build your own OAuth2 / OpenID Connect server in .NET.

Officially OpenIddict supports two implementations for persistance layer:

This time we will explore how to implement fully serverless OAuth2 server using OpenIddict 5 with Lambda Container image and persistance layer backed by AWS DynamoDB

note

Due to the large scope this will be series of posts covering the following aspects:

  • OpenIddict custom stores implementation with DynamoDB
  • Fully serverless OAuth2 server sample and setup for local testing
  • CDK custom component lib for OpenIddict
  • Cost analysis and comparison with Cognito, Auth0, etc
tip

You can find source code available at https://github.com/ahanoff/OpenIddict.DynamoDb

First let's review OpenIddict concepts and components.