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Boost Security: Effective Management of Kubernetes Secrets using AWS Secrets Manager

 

In this blog post, we will walk through a use case where we need to synchronize secrets from AWS Secrets Manager into Kubernetes secrets. This could be useful when you have applications running in your Kubernetes cluster that need to access sensitive data stored in AWS Secrets Manager.

AWS Secrets Manager is a secrets management service that helps you protect access to your applications, services, and IT resources. On the other hand, Kubernetes secrets are a Kubernetes-native way to store sensitive information, such as passwords, OAuth tokens, and ssh keys.

One could directly use AWS SDK to fetch secrets from AWS Secrets Manager, but this approach has its own drawbacks.

It tightly couples your application with AWS as a cloud provider, and increases the complexity of the application code.

By synchronizing AWS secrets with Kubernetes secrets, you can avoid these issues and make your applications more cloud-agnostic and simpler.

Even though this tutorial is focused on AWS EKS, you can apply the same concept to integrate any Kubernetes cluster with any Secrets Manager.

Diagram

The following diagram illustrates what we will cover in this tutorial: