Terraform Mono-Repo Design for 20 AWS Accounts
One Terraform repo for twenty AWS accounts: directory-per-account state, role assumption, changed-path CI, pinned modules, drift checks and bootstrapping.
·16 min read
DevOps Interview Blog
Real interview questions, worked answers, and preparation strategy for DevOps, SRE and cloud roles.
Locking Down Kubernetes RBAC in a Multi-Tenant Cluster
Design least-privilege Kubernetes RBAC with Roles vs ClusterRoles, ServiceAccount lockdown, audit commands, and the verbs that open privilege-escalation paths.
·11 min read
Debugging a Kubernetes Production Incident, Step by Step
A production Kubernetes incident debugged end to end: CrashLoopBackOff, OOMKilled, the stale ConfigMap trap, and ephemeral containers for distroless images.
·7 min read
How to Shrink a 2GB Docker Image with Multi-Stage Builds
Multi-stage builds done correctly, Alpine vs distroless vs scratch, layer caching, and the honest numbers each approach can actually reach.
·5 min read
20 Terraform Interview Questions from Real Senior DevOps Interviews
Terraform and OpenTofu interview questions that actually get asked in 2026: state internals, locking, drift, modules, import, and the follow-ups that expose shallow answers.
·7 min read
25 Kubernetes Interview Questions You Will Actually Be Asked in 2026
Real Kubernetes interview questions from junior to senior level, with the answers interviewers are listening for: pods, services, scheduling, networking, debugging, and production war stories.
·8 min read
The 60-Day DevOps Interview Preparation Roadmap (2026 Edition)
A week-by-week plan to prepare for DevOps and SRE interviews in 60 days: what to study, what to build, what to skip, and how to convert preparation into offers.
·6 min read
AWS, Azure, or GCP: Which Cloud Certification Should You Get First in 2026?
An honest decision framework for picking your first cloud certification in 2026, based on job market reality, your background, and what certifications can and cannot do for a DevOps career.
·4 min read