Amazon Web Services — EKS, Lambda, EC2, and the full AWS ecosystem.
Cold starts are the silent SLO killer in serverless architectures. You've built a beautiful Lambda function, deployed it, and everything looks great in you...
Deploy containers on AWS ECS Fargate — no EC2 instances to manage. Covers task definitions, services, load balancers, environment variables, secrets from SSM/Secrets Manager, auto-scaling, and CI/CD integration.
Step-by-step guide to launching a production-ready EKS cluster on AWS — node groups, IAM roles, VPC configuration, managed add-ons, kubeconfig setup, and cost optimization. Both eksctl and Terraform approaches covered.
Diagnose and recover AWS EC2 instances with failed system or instance status checks using stop/start, volume rescue, and auto-recovery techniques.
Systematically troubleshoot and fix AWS S3 Access Denied errors caused by IAM policies, bucket policies, ACLs, and encryption settings.
Build AWS IAM policies using least privilege without locking yourself out — practical patterns for roles, service accounts, and permission boundaries.
How to design an AWS Landing Zone with Organizations, SCPs, and account vending that scales from 5 to 500 accounts without becoming a mess.
AWS CLI cheat sheet with copy-paste commands for EC2, S3, IAM, Lambda, ECS, CloudFormation, SSM, and Secrets Manager operations.
Navigate the essential AWS building blocks — EC2, S3, VPC, IAM, RDS, Lambda, and EKS explained for DevOps engineers with practical examples.