Why I stopped using ElastiCache for dev and test environments
ElastiCache is a good product. For a production cache that has to survive everything, it's still what I'd reach for. But most of the Redis clusters I...
September 24, 20267 min read
Kamran Biglari
Cloud & DevOps Engineer
Articles
The Translation Layer: Kubernetes on Hetzner Cloud
A deep dive into the Hetzner Cloud Controller Manager — how it bridges Kubernetes abstractions to Hetzner infrastructure, its modular controller archi...
February 19, 20269 min read
Kubernetes Health Probes: Liveness, Readiness, and Startup Explained
A visual guide to Kubernetes health probes — why process status is not application health, how liveness, readiness, and startup probes work, and how t...
February 19, 20269 min read
Kubernetes Controllers: Deployment, StatefulSet, and ReplicaSet Explained
A visual deep dive into Kubernetes controller patterns — how the reconciliation loop works, when to use Deployment vs StatefulSet vs ReplicaSet, and a...
February 18, 20267 min read
YAML-Driven CloudWatch Alarms with Terraform: Meet GeniusCloudWatchAlarm
Stop writing repetitive aws_cloudwatch_metric_alarm blocks. This Terraform module lets you define all your CloudWatch alarms in a single YAML file — w...
February 17, 20269 min read
Deploy AWS Serverless Application Repository Apps with Terraform
A Terraform module that wraps the AWS Serverless Application Repository — deploy any SAR app with just its ARN, and get automatic required-parameter v...
February 17, 20267 min read
Serverless MikroTik Monitoring with SNMP and AWS CloudWatch
Monitor MikroTik routers (and any SNMP device) in AWS CloudWatch using a fully serverless Terraform module — no Zabbix, no Nagios, no dedicated monito...
February 17, 20265 min read
Automating AWS ECR Credential Refresh in Kubernetes with Terraform
Learn how to automatically refresh AWS ECR credentials in Kubernetes every 6 hours using Terraform. A production-ready solution that works with any Ku...
February 16, 202626 min read
Deploy Production-Ready Redis Cluster on AWS ECS Fargate with Terraform
Learn how to deploy a highly available Redis cluster on AWS ECS Fargate using Terraform, with CloudMap service discovery and Lambda-based automatic cl...
February 16, 202633 min read
Integrate Hetzner Cloud Metrics into AWS CloudWatch with Terraform
Learn how to monitor Hetzner Cloud infrastructure from AWS CloudWatch using Terraform, Step Functions, and EventBridge for centralized hybrid cloud ob...
February 16, 202647 min read
The Cloud Native Citizen: A Pattern Language for Kubernetes
Learn the four fundamental contracts that make applications truly cloud-native citizens in Kubernetes. Explore resource management, health probes, aut...
February 15, 20269 min read
Secure AWS Access for Self-Managed Kubernetes: Implementing IRSA Without EKS
Learn how to implement EKS-style IAM Roles for Service Accounts (IRSA) on self-managed Kubernetes clusters using Terraform. Eliminate long-lived crede...
February 15, 202623 min read
Terraform-in-Lambda: Building a Serverless Infrastructure Runner on AWS
Learn how to execute Terraform commands (plan, apply, destroy) serverlessly using AWS Lambda. Build event-driven infrastructure automation without man...
February 15, 202636 min read
Welcome to KamranOnline - Your Cloud & DevOps Resource
Introducing KamranOnline - a technical blog dedicated to AWS, GCP, and DevOps tutorials with practical, hands-on guides for cloud engineers
February 15, 20262 min read