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.

April 30, 2026 · 3 min · 587 words · Manvendra Rajpoot

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.

April 30, 2026 · 4 min · 710 words · Manvendra Rajpoot

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.

April 30, 2026 · 3 min · 472 words · Manvendra Rajpoot

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.

April 30, 2026 · 6 min · 1089 words · Manvendra Rajpoot

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.

April 30, 2026 · 6 min · 1206 words · Manvendra Rajpoot

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.

April 29, 2026 · 8 min · 1541 words · Manvendra Rajpoot

OpenTelemetry End-to-End — A 2026 Guide for Backend Engineers

How OpenTelemetry actually works in 2026. The collector, traces / metrics / logs / context propagation, instrumenting Python, Go, and Rust services, sampling that doesn’t kill recall, and the production-grade end-to-end setup.

April 28, 2026 · 8 min · 1493 words · Manvendra Rajpoot

WebAssembly on Kubernetes in 2026 — Spin, wasmCloud, and When WASM Beats Containers

A grounded look at WebAssembly on Kubernetes in 2026. WASI 0.2’s component model, Spin and wasmCloud, runwasi shims, the workloads where WASM is genuinely better than containers, and the ones where it isn’t.

April 28, 2026 · 7 min · 1292 words · Manvendra Rajpoot

Software Supply Chain Security in 2026 — SBOM, SLSA, and Sigstore

How modern supply chain security actually works — SBOMs, SLSA levels, signing with Sigstore/cosign, attestations, and a practical CI pipeline that protects against typosquatting, dependency hijacks, and tampered builds.

April 28, 2026 · 8 min · 1504 words · Manvendra Rajpoot

SLOs and Error Budgets for App Developers — SRE Without the Mystique

A short, practical guide to SLOs and error budgets for application developers. Choose the right SLI, pick targets you can actually defend, calculate the budget, and use it to drive feature-velocity vs. reliability tradeoffs.

April 28, 2026 · 7 min · 1366 words · Manvendra Rajpoot