Secrets Management in 2026 — Vault, External Secrets Operator, and the Patterns
How to manage secrets in production in 2026. Vault, ESO, cloud secret managers, sealed secrets, rotation, audit, and the developer-friendly patterns.
DevOps
Zero-Downtime Deployments in 2026 — Blue/Green, Canary, and Rolling
How to deploy without downtime in 2026. Blue/green, canary, rolling, feature flags, db migrations the right way, and the patterns that survive Friday afternoons.
Incident Response and Blameless Postmortems in 2026
Practical incident response in 2026. Severity levels, IC role, comms cadence, runbooks, blameless postmortems, action item tracking, and the cultural shifts that produce real learning.
Kubernetes in 2026 — What Changed, What Didn't, and What You Should Use
Where Kubernetes stands in 2026: eBPF-default networking, Gateway API, sidecarless meshes, KEDA, Argo, and the operational realities you’ll face.
Modern Rust Tooling in 2026 — cargo, clippy, fmt, and Workspaces
Productivity Rust tooling for 2026. cargo, clippy, fmt, workspaces, nextest, watch, and the strict-lints that catch bugs in CI.
Postgres Replication and HA in 2026 — Streaming, Logical, and Auto-Failover
Production HA for Postgres in 2026. Streaming vs logical replication, Patroni vs pg_auto_failover vs Stolon, RPO/RTO tradeoffs, and the patterns that keep a primary alive.
Feature Flags and Progressive Delivery in 2026 — LaunchDarkly, Flagsmith, and OpenFeature
How to ship safely with feature flags in 2026. The OpenFeature standard, picking a vendor, the patterns (boolean flags, percentage rollouts, targeting), and the costs of doing it wrong.
Reproducible Dev Environments in 2026 — Nix, Devbox, mise, and Devcontainers
Picking a reproducible dev-environment tool in 2026. Nix flakes (deepest), Devbox (Nix made friendly), mise (lightweight version manager), devcontainers (Docker-based), and which fits which team.
Pulumi vs Terraform vs OpenTofu in 2026 — How to Pick an IaC Tool
Picking an IaC tool in 2026. Pulumi (real programming languages), Terraform (HashiCorp’s BSL-licensed original), OpenTofu (open-source fork). Tradeoffs, ecosystem, state, and how to migrate.
Cilium and eBPF in Production — The Sidecarless Service Mesh of 2026
Why eBPF won the cloud-native networking layer in 2026. Cilium architecture, sidecarless service mesh, network policy at L7, mTLS, observability with Hubble + Tetragon + Pixie, and the migration path from Istio.