Log Aggregation in 2026 — Loki, ClickHouse, OpenSearch, or Datadog
Picking a log aggregator in 2026: Loki for cheap storage, ClickHouse for query power, OpenSearch for full-text, Datadog when you can pay. Decision matrix and patterns.
DevOps
Kubernetes Cost Engineering in 2026 — Where the Money Actually Goes
Practical Kubernetes cost reduction in 2026. Right-size requests / limits, Karpenter for node management, VPA / HPA, spot pools, and the dashboards that find waste.
Dockerfile Best Practices in 2026 — Small, Fast, Secure
Modern Dockerfile patterns: multi-stage builds, BuildKit cache mounts, distroless images, non-root users, and the boring habits that produce small, fast, secure images.
Chaos Engineering in 2026 — Game Days That Actually Find Bugs
Chaos engineering done right. Game days, failure injection (Chaos Mesh, Gremlin), what to test, the observability needed, and the cultural shifts that make it stick.
Argo Workflows vs Airflow vs Dagster vs Prefect in 2026
Picking a workflow orchestrator in 2026. Argo Workflows for Kubernetes-native; Airflow for mature ETL; Dagster for data-aware orchestration; Prefect for Python-first. The decision matrix.
Health Checks That Don't Lie — Liveness, Readiness, and Startup Probes in 2026
Why most health checks lie, the difference between liveness and readiness, dependency-aware checks, startup probes for slow boots, and the patterns that surface real problems.
Cloud Cost Optimization in 2026 — The Tactics That Actually Work
Tactics that produce real cloud savings: right-sizing, spot, savings plans, egress, idle cleanup, multi-cloud arbitrage, FinOps culture, and the diagnostic tools that find waste.
Serverless in 2026 — Where It Won, Where It Didn't
An honest 2026 take on serverless. The use cases that won (event-driven, edge, low-traffic APIs), the ones that didn’t (long-running, stateful), and the operational realities.
Observability 2.0 — SLOs, Wide Events, and the End of Three Pillars
What changed in observability since 2020. Wide events vs three-pillars, SLOs as the unit of conversation, OTel’s role, and how to actually find problems in production.
CI/CD Best Practices in 2026 — Fast, Safe, Boring
What good CI/CD looks like in 2026. Pipeline speed, caching, parallelism, branch protection, deploy gates, and the boring habits that compound.