Thoughts on technology and development.
Deep dive into VPC Resource Gateways: private RDS access across accounts, overlapping CIDR connectivity, centralized interface endpoints without Transit Gateway, and proxying to public SaaS domains.
Deep dive into KEDA (Kubernetes Event-Driven Autoscaler) — architecture, ScaledObject CRDs, CloudWatch scaler with EKS IRSA, load testing, and production considerations.
Why the Kubernetes Gateway API is replacing traditional Ingress on EKS — separation of concerns between platform and application teams, cleaner multi-tenant routing, and production-ready patterns with the AWS Load Balancer Controller.
Why Karpenter has replaced Cluster Autoscaler as the default node scheduler on EKS — group-less scaling, built-in consolidation, and how to configure NodePools and EC2NodeClass for production workloads.
A step-by-step guide to managing multiple SSH keys for different GitHub projects using custom configurations.
Prepare for Terraform and IaC interview questions — state management, module design, CI/CD integration, and real-world infrastructure scenarios.
Ace your Kubernetes interview — cover architecture, networking, storage, security, and troubleshooting with curated questions and real-world scenarios.
Master CI/CD interview questions — pipeline design, branching strategies, deployment patterns, and tooling comparisons for DevOps and platform engineering roles.
Curated AWS interview questions and answers covering networking, compute, storage, security, and architecture — structured for cloud engineering interviews.
Day two operations for reliable systems: monitoring, alerting, incident management, capacity planning, and the operational practices that keep services running.
How to structure SRE teams, build an SRE culture, and navigate the organizational challenges of implementing reliability engineering practices.
Site Reliability Engineering fundamentals: SLIs, SLOs, error budgets, toil reduction, and how SRE bridges the gap between development and operations.
Deploy Grafana Alloy as a telemetry collection pipeline in Kubernetes — replace multiple agents with a single, flexible collector for metrics, logs, and traces.
Securely mount JSON service account key files into pods using Kubernetes Secrets — proper volume mounts, permissions, and rotation strategies.
Protect your Kubernetes workloads from voluntary disruptions — node drains, cluster upgrades, and spot instance preemptions — with properly configured PDBs.
What happens when you run kubectl apply? A deep dive into the Kubernetes control plane — API server, etcd, scheduler, and controller manager internals.
Establish consistent naming conventions for Kubernetes resources — namespaces, deployments, services, and labels — to improve discoverability and automation.
How the Container Storage Interface (CSI) enables pluggable storage in Kubernetes — from PersistentVolume provisioning to volume snapshots and resizing.
Deep dive into Kubernetes networking: the CNI specification, how Calico and Cilium implement pod networking, and the Linux primitives that make it all work.
Centralize CronJob management across multiple namespaces using a controller pattern — schedule and monitor all your cluster's cron jobs from one place.
Implement fine-grained IAM roles for Kubernetes pods using IAM Roles for Service Accounts (IRSA) on Amazon EKS — no more sharing instance profiles.
A practical guide to applying the AWS Well-Architected Framework's six pillars to real production workloads for security, reliability, and cost efficiency.
Deep dive into AWS PrivateLink architecture — how VPC endpoints route traffic privately without traversing the public internet, and when to use Interface vs Gateway endpoints.
Design and deploy a multi-account AWS Landing Zone using Control Tower and AFT to enforce governance, security, and networking at scale.
Implement FinOps practices on AWS: cost allocation tags, budgeting, anomaly detection, savings plans, and building a cost-aware engineering culture.
Implement centralized traffic inspection for outbound flows using AWS Gateway Load Balancer with third-party security appliances.
Shift-left infrastructure validation with pre-commit hooks and policy-as-code — catch misconfigurations before they reach production.
Implement automated scheduling for EC2 and RDS instances to shut down non-production resources during off-hours and cut cloud costs.
Build automated CI/CD pipelines for infrastructure code — plan on PR, apply on merge, with Terragrunt for multi-environment DRY configurations.
Production-grade Terraform practices: module design, state management, DRY configurations, remote backends, and collaboration workflows for infrastructure teams.
Design patterns for centrally managing AWS VPC Endpoints and private DNS resolution across multi-account, multi-VPC environments.
Designing a scalable centralized egress architecture on AWS using Transit Gateway and NAT Gateway for outbound traffic from multiple VPCs.
Implement GitOps with Argo CD or Flux — use Git as the single source of truth for declarative infrastructure and application configuration.
Understanding the foundations of Infrastructure as Code — declarative vs imperative, mutable vs immutable, and when to use Terraform, Pulumi, or CloudFormation.
A comprehensive reference for building production-grade CI/CD pipelines with GitHub Actions — OIDC authentication, matrix builds, caching, and reusable workflows.
Use the four DORA metrics — Deployment Frequency, Lead Time, MTTR, and Change Failure Rate — to measure and improve your software delivery performance.
The fundamental CI/CD principle of immutable artifacts — build your application once, then promote the exact same artifact through all environments.
Zero-downtime deployments using blue/green patterns — run two identical environments and swap traffic instantly when the new version is verified.
Production-proven CI/CD patterns: fail-fast pipelines, trunk-based development, artifact promotion, immutable builds, and deployment strategies.
Understanding the foundational concepts behind CI/CD — continuous integration, continuous delivery, and continuous deployment — and when to use each.
Replace static service account keys with GKE Workload Identity — federate Kubernetes service accounts with Google Cloud IAM for secure, automated credential management.
Best practices for configuring Pod Disruption Budgets on GKE when using Spot VMs to balance cost savings with workload reliability.
A practical guide to Git branching strategies — trunk-based development, Git Flow, and GitHub Flow — and how to choose the right one for your team.
Step-by-step guide to deploying a production MongoDB replica set — automatic failover, read scaling, and data redundancy for high availability.
Configure split-horizon DNS to resolve internal and external hostnames differently — essential for hybrid cloud and multi-network environments.
Complete guide to setting up mongodb_exporter for monitoring MongoDB performance and health using Prometheus and Grafana.
A comprehensive guide to establishing clear and consistent naming conventions for repositories to enhance collaboration and code discoverability.
Production-ready multi-stage Dockerfiles for Go, Python, Java, Laravel (PHP), Ruby on Rails, and Vue.js — reduce image size by 80-98%.
Build an Express.js microservice to automate MikroTik firewall rules via REST API — dynamic IP whitelisting for CI/CD runners with 30-min TTL.
Deploy a WireGuard VPN server and connect clients on Ubuntu/Debian — complete guide covering key generation, server/client configs, split tunneling, and troubleshooting.
How to set up an efficient CI/CD pipeline for your projects.