Building MapleStack: Simplifying User Authorization with AWS Cognito

User authorization is a seemingly simple yet complex aspect to nail in web development. When we talk about functionality in web applications, features like signup, sign-in, password reset, and social login integration are not just extras — they’re essentials. Users expect these elements to work seamlessly, almost invisibly, adding no friction to their experience.

While it’s technically possible to build these authorization flows from scratch, it’s rarely advisable, especially considering the number of services available that do much of the heavy lifting. This week, I’m diving into one such service that I’ve integrated into MapleStack: AWS Cognito.

What is AWS Cognito? AWS Cognito is a service provided by Amazon Web Services that offers user sign-up, sign-in, and access control to web and mobile applications. It also supports social and enterprise identity federation, meaning it can authenticate users through Google, Facebook, or other OIDC-compliant services. It’s essentially a way to manage user authentication and authorization in a secure and scalable manner. Cognito integrates seamlessly with other AWS services and provides a framework for creating and managing user identities and permissions.


  1. Ease of Integration: Integrating Cognito into MapleStack was smooth. It saved me a lot of development time, especially on complex authentication flows.
  2. Enhanced Security: With AWS Cognito, I’m confident about user data security. It handles things like encryption and compliance, which are critical.
  3. Scalability: As MapleStack grows, I know Cognito can handle the increasing load. This scalability is a huge relief for any growing platform.
  4. Affordability: With a generous free tier, you get the chance to experiment and understand how it works without paying a dime. You will only be billed when you have over 50k users.


  1. Learning Curve: Understanding AWS Cognito, particularly its integration with other AWS services, can be challenging, especially for those new to AWS services or authentication techniques.
  2. Limited Customization: Although Cognito is powerful, there are some constraints in customization compared to building an authentication system from scratch.
  3. Dependency on AWS: Relying on Cognito means a deeper integration with the AWS ecosystem, which might be a concern for those wary of vendor lock-in.

Integrating AWS Cognito has been a major step in refining user experience and security in MapleStack. It’s a great example of leveraging existing tools to handle complex tasks effectively.

That’s all for this week in the Building MapleStack series. Don’t forget to check out my previous posts on other components

Next week, I’ll be discussing AWS S3 and how it is used in MapleStack. Stay tuned!

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