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DevOps guides, architecture deep-dives, production postmortems, and engineering insights
6 posts
Kubernetes in Production: The Definitive Day-2 Architecture Checklist
Essential configurations for cluster networking, etcd backups, node affinity, PDBs, and resource quotas before running mission-critical workloads.
Zero to Minimal: Advanced Docker Multi-Stage Optimization Guide
How to shrink container images from 1.2GB to 35MB using distroless, Alpine, layer caching, and buildkit secrets.
Structuring Terraform at Scale: Modules, State & Drift Detection
Proven organizational patterns for managing multi-account AWS architectures with remote state locking, policy-as-code, and Atlantis.
Canary vs. Blue-Green: Designing Zero-Downtime Deployment Pipelines
A comprehensive breakdown of progressive traffic routing using ArgoCD, Istio, and Flagger for high-throughput production services.
Linux Sysctl Tuning for 100Gbps High-Throughput Web Services
Deep dive into tcp_tw_reuse, somaxconn, file descriptors, and netfilter connection tracking thresholds to eliminate packet drops.
Secret Management in GitOps: Sealed Secrets vs. External Secrets Operator
Architecting secure, automated secret synchronization from AWS Secrets Manager and HashiCorp Vault without committing plain text.