KubernetesDeep DiveFresh
The Complete Guide to Kubernetes Deployment Strategies: Rolling, Blue-Green, Canary, and Progressive Delivery
A comprehensive guide to every Kubernetes deployment strategy — rolling updates, blue-green, canary, and progressive delivery with Argo Rollouts and Flagger.
SecurityDeep DiveFresh
Kubernetes Security Hardening for Production: The Complete Guide
Harden Kubernetes clusters for production with RBAC, network policies, pod security standards, secrets management, and admission controllers.
MonitoringDeep DiveFresh
Building a Complete Prometheus + Grafana Monitoring Stack from Scratch
Build a production Prometheus and Grafana monitoring stack from scratch — service discovery, recording rules, alerting, and dashboards.
SecurityQuick RefFresh
Security Headers & Configs: Cheat Sheet
Security headers and configuration reference — copy-paste snippets for Nginx, Kubernetes Ingress, Cloudflare, and Helmet.js.
GitOpsTutorialFresh
ArgoCD Image Updater for Automated Container Deployments
Configure ArgoCD Image Updater to automatically detect and deploy new container images to Kubernetes without manual manifest changes or CI triggers.
Platform EngineeringTutorialFresh
Crossplane: Managing Cloud Infrastructure from Kubernetes
How to use Crossplane to provision and manage cloud infrastructure using Kubernetes-native APIs — one control plane to rule them all.
Cloud CostTutorialFresh
Kubecost Setup for Kubernetes Cost Visibility and Showback
Deploy Kubecost for real-time Kubernetes cost monitoring with namespace-level showback, idle cost detection, and actionable Slack alerts.
KubernetesTutorialFresh
Kubernetes Ingress vs Gateway API: When to Migrate and How to Do It Without Breaking Everything
A practical comparison of Kubernetes Ingress and Gateway API, with a migration strategy that won't take down your production traffic.
KubernetesTutorialFresh
Kubernetes Resource Requests vs Limits: The Guide I Wish I Had Before My First OOM Kill
A deep dive into Kubernetes resource requests, limits, QoS classes, and why getting them wrong leads to OOM kills, throttling, and wasted money.
KubernetesTutorialFresh
Encrypting Kubernetes Secrets at Rest: Because Base64 Is Not Encryption
How to configure encryption at rest for Kubernetes secrets using KMS providers, because your secrets in etcd are stored in plaintext by default.
KubernetesTutorialFresh
Systematic Debugging of CrashLoopBackOff: A Field Guide From Someone Who's Been Paged Too Many Times
A systematic approach to debugging CrashLoopBackOff in Kubernetes, covering the most common causes and the exact commands to diagnose each one.
MonitoringTutorialFresh
Scalable Log Aggregation with Grafana Loki and Promtail
Deploy Grafana Loki and Promtail for cost-effective, scalable log aggregation — without indexing yourself into bankruptcy.
SecurityTutorialFresh
OPA Gatekeeper: Enforcing Kubernetes Admission Control Policies That Actually Stop Misconfigurations
Deploy OPA Gatekeeper to enforce Kubernetes admission policies — block privileged containers, enforce labels, and prevent misconfigurations.
MonitoringTutorialFresh
OpenTelemetry Collector: Deploying Your Observability Pipeline the Right Way
Deploy and configure the OpenTelemetry Collector to unify traces, metrics, and logs into a single pipeline — with production-tested patterns.
SecurityTutorialFresh
Mozilla SOPS: Encrypted Secrets in Git for GitOps Workflows That Don't Leak
Use Mozilla SOPS to encrypt secrets in Git for secure GitOps workflows. Covers AGE, AWS KMS, and ArgoCD integration with real examples.
KubernetesDeep DiveFresh
Kubernetes HPA with Custom Metrics: Stop Scaling on CPU Alone
How to configure Kubernetes HPA with Prometheus custom metrics so your workloads scale on what actually matters — not just CPU and memory.
KubernetesDeep DiveFresh
Zero-Trust Networking in Kubernetes with Network Policies
How to implement zero-trust networking in Kubernetes using NetworkPolicies — deny by default, allow by exception, and sleep better at night.
KubernetesQuick RefFresh
Kubectl Cheat Sheet: Every Command You Need
The kubectl quick reference — organized by task with copy-paste ready commands for pods, deployments, services, debugging, and more.
KubernetesDeep DiveFresh
Kubernetes Pod Security Standards: A Complete Guide
Learn everything about Kubernetes Pod Security Standards (PSS) and Pod Security Admission (PSA) — from baseline to restricted profiles with practical examples.
GitOpsTutorialFresh
ArgoCD Application Patterns: App of Apps, ApplicationSets, and Beyond
Practical ArgoCD patterns for managing dozens of applications — from App of Apps to ApplicationSets to multi-cluster rollouts. All in code, obviously.
KubernetesTutorialFresh
Production-Ready Helm Charts: Templates, Values, Hooks, and Testing
Battle-tested patterns for writing Helm charts that survive production — covering values design, template structure, lifecycle hooks, and chart testing.
SecurityTutorialFresh
Kubernetes RBAC: A Practical Guide to Least-Privilege Access Control
Implement least-privilege RBAC in Kubernetes to prevent lateral movement and privilege escalation — with real threat models and pipeline-ready examples.
SecurityTutorialFresh
HashiCorp Vault and Kubernetes: Secrets Management That Actually Works
Integrate HashiCorp Vault with Kubernetes to eliminate static secrets from your cluster — with working manifests, threat models, and pipeline automation.
Cloud CostTutorialFresh
Spot Instances + Kubernetes: Save 60-90% on Compute Without the Drama
A battle-tested guide to running Kubernetes workloads on spot instances — safely, reliably, and at 60-90% less than on-demand pricing.