Keeping State in a Stateless World: A 2025 Kubernetes Storage Showdown
By Behrouz Hassanbeygi
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Keeping State in a Stateless World: A 2025 Kubernetes Storage Showdown
Aug. 18, 2025
/By Behrouz Hassanbeygi
Kubernetes is a modular platform that, by default, supports ephemeral storage—meaning data disappears when a pod is destroyed. To extend its functionality and manage persistent data, we use the Container Storage Interface (CSI). The CSI acts as a standard API that allows Kubernetes to connect to a wide array of storage systems.
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The Best of Both Worlds: Managing AKS, EKS, & GKE with Rancher
Aug. 11, 2025
/By Behrouz Hassanbeygi
Why not just use the "easy button" and go with a managed Kubernetes service like Amazon EKS, Google GKE, or Azure AKS? The cloud providers promise to handle the complexity for you. So, how does a self-hosted platform like Rancher stack up against the cloud giants?
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Rancher RKE2 or Vanilla Kubernetes? What We Learned Building Both
July 21, 2025
/By Behrouz Hassanbeygi
When it came time to build a secure, production-ready Kubernetes environment, we put Rancher RKE2 (with Rancher Manager) head-to-head against vanilla Kubernetes in a hands-on PoC. From cluster setup and authentication to monitoring, upgrades, and disaster recovery, we documented it all. The results? Rancher cut our operational effort in half while delivering baked-in security and lifecycle management.
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Automate Document Signing using the DocuSign API
Jan. 8, 2023
/By Adam Yue
DocuSign is a widely used document signing service.
It provides an SDK for a range of programming languages that can achieve the automation of creating, sending and signing documents.
The API provides more flexibility compare to using the DocuSign web portal, but requires a deeper understanding how DocuSign "thinks" about document signing.
In this blog, we will go through how to use the DocuSign SDK in a Kotlin project with several common use cases.
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JPA - Criteria API: A better way to query your data
Dec. 14, 2022
/By Adam Yue
Java Persistence Query Language (JPQL) is a widely adopted API to access the database in Spring projects.
However, JPA provides another method called Criteria API.
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PaperLess Solutions with DocuSign
May 26, 2022
/By Felix Schmitz
Through digital transformation plenty of business processes have been automated and reduced paperwork, improved productivity and increased data quality.
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Keeping State in a Stateless World: A 2025 Kubernetes Storage Showdown
By Behrouz Hassanbeygi
The Best of Both Worlds: Managing AKS, EKS, & GKE with Rancher
By Behrouz Hassanbeygi
Rancher RKE2 or Vanilla Kubernetes? What We Learned Building Both
By Behrouz Hassanbeygi
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