Nahuel Hernandez

Nahuel Hernandez

Architecture, decisions, and anti-patterns from running AWS and Kubernetes in production. Containers, GitOps, and the things the official docs do not cover.

Running MCP Servers on EKS: Architecture for Production Agentic Workloads

MCP servers are spreading from local dev tools into production infrastructure. The default deployment patterns work fine for a single user. They fall apart when you put MCP behind real traffic on EKS. This post is about what changes when you run MCP servers as production workloads, what breaks, and how to design around it.

14-Minute Read

MCP servers on EKS

For most of 2025, MCP servers lived on developer laptops. You connected your editor or your local Claude client to a stdio process, the process held a session, you were the only user. Production was not a concern because there was no production.

CKS Kubernetes Specialist Security Certification

The Certified Kubernetes Security or CKS is a challenging exam. Performance-based test that requires solving multiple issues from a command line. I studied and passed the 3 Kubernetes Certifications (CKA/CKAD/CKS), and I want to share valuable information to prepare and pass this exam.

41-Minute Read

cks

The Certified Kubernetes Security Specialist or CKs is a hands-on test and consists of a set of performance-based items (15 problems) to be solved using a command line and is expected to take approximately two (2) hours to complete.

AWS Security Certification Tips

The AWS Certified Security Specialty is an examen you need to demonstrate knowledge about securing the AWS platform, the most important topics to look at are KMS, Policies, GuardDuty, Inspector, Macie, Cloudtrail, Config, WAF and Shield.

4-Minute Read

aws-security-cert

The AWS Certified Security Specialty (SCS-C01) validates an examinee’s ability to effectively demonstrate knowledge about securing the AWS platform. The exam is a 65 multiple-choice exam and we need to finish in less than 170 minutes.

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About

Over 15-year experience in the IT industry. Working in SysOps, DevOps and Architecture roles with mission-critical systems across a wide range of industries. Wide experience with AWS, Terraform, Kubernetes, Containers, CI/CD pipelines, and Linux. Always keeping up with the latest technologies. Passionate about automating the run of the mill. Big focus on problem-solving.