https://blog.rajpoot.dev/tags/devops/ Recent content in DevOps on Manvendra Rajpoot https://blog.rajpoot.dev/img/personal/cover.png https://blog.rajpoot.dev/img/personal/cover.png Hugo en Manvendra Rajpoot Sun, 17 May 2026 17:50:46 +0530 https://blog.rajpoot.dev/posts/devops/incident-debugging-2026/ Tue, 05 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/posts/devops/incident-debugging-2026/ Debugging production incidents in 2026 — the loop, observability tools, common patterns, and the discipline that finds root causes fast. https://blog.rajpoot.dev/posts/devops/blue-green-canary-2026/ Tue, 05 May 2026 08:10:00 +0530 https://blog.rajpoot.dev/posts/devops/blue-green-canary-2026/ Deploy strategies in 2026 — blue/green, canary, rolling, and the production tradeoffs from Argo Rollouts / Flagger / native K8s. https://blog.rajpoot.dev/posts/devops/load-testing-2026/ Tue, 05 May 2026 07:10:00 +0530 https://blog.rajpoot.dev/posts/devops/load-testing-2026/ Load testing in 2026 — k6, Vegeta, Locust, capacity planning, and the discipline of tests that match real traffic. https://blog.rajpoot.dev/posts/devops/argo-workflows-2026/ Tue, 05 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/posts/devops/argo-workflows-2026/ Argo Workflows in 2026 — DAGs, retries, artifacts, comparison to Airflow / Prefect / Dagster, and patterns from production K8s pipelines. https://blog.rajpoot.dev/posts/devops/edge-compute-2026/ Mon, 04 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/posts/devops/edge-compute-2026/ Edge compute in 2026 — Cloudflare Workers, Vercel Edge, Deno Deploy, AWS Lambda@Edge, when edge wins, and the real-world limits. https://blog.rajpoot.dev/posts/devops/observability-cost-2026/ Mon, 04 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/posts/devops/observability-cost-2026/ Controlling observability costs in 2026 — high-cardinality metrics, log volume, trace sampling, retention, and the bills that grow faster than your business. https://blog.rajpoot.dev/posts/devops/kubernetes-resource-limits-2026/ Sun, 03 May 2026 07:00:00 +0530 https://blog.rajpoot.dev/posts/devops/kubernetes-resource-limits-2026/ K8s resource limits in 2026 — requests vs limits, OOM, CPU throttling, VPA, and the patterns from production clusters. https://blog.rajpoot.dev/posts/devops/docker-best-practices-2026/ Sun, 03 May 2026 06:50:00 +0530 https://blog.rajpoot.dev/posts/devops/docker-best-practices-2026/ Docker best practices in 2026 — multi-stage builds, distroless, layer caching, BuildKit, security, and the patterns from production. https://blog.rajpoot.dev/posts/devops/sre-slo-error-budget-2026/ Sat, 02 May 2026 12:20:00 +0530 https://blog.rajpoot.dev/posts/devops/sre-slo-error-budget-2026/ SLOs and error budgets in 2026 — defining SLIs, choosing targets, error budget policies, and how to actually use them in engineering decisions. https://blog.rajpoot.dev/posts/devops/terraform-vs-pulumi-2026/ Sat, 02 May 2026 11:30:00 +0530 https://blog.rajpoot.dev/posts/devops/terraform-vs-pulumi-2026/ Terraform vs Pulumi vs OpenTofu in 2026 — licensing, ecosystem, language ergonomics, and the migration paths after HashiCorp's BSL. https://blog.rajpoot.dev/posts/devops/kubernetes-debugging-2026/ Sat, 02 May 2026 10:20:00 +0530 https://blog.rajpoot.dev/posts/devops/kubernetes-debugging-2026/ Debugging Kubernetes in 2026 — kubectl patterns, ephemeral debug containers, k9s, stern, kubeshark, and the patterns from production K8s ops. https://blog.rajpoot.dev/posts/devops/incident-response-2026/ Sat, 02 May 2026 09:00:00 +0530 https://blog.rajpoot.dev/posts/devops/incident-response-2026/ Practical incident response in 2026 — on-call patterns, runbooks, blameless postmortems, comms templates, and the discipline that prevents the same outage twice. https://blog.rajpoot.dev/posts/devops/feature-flags-2026/ Sat, 02 May 2026 08:50:00 +0530 https://blog.rajpoot.dev/posts/devops/feature-flags-2026/ Feature flags in 2026 — flag types, rollout strategies, evaluation contexts, OpenFeature, and production patterns from real teams. https://blog.rajpoot.dev/posts/devops/secrets-rotation-2026/ Fri, 01 May 2026 06:30:00 +0530 https://blog.rajpoot.dev/posts/devops/secrets-rotation-2026/ How to rotate secrets in 2026 without breaking production — overlap windows, dual-secret support, automated rotation, and the patterns from compliance-mature teams. https://blog.rajpoot.dev/posts/devops/postgres-backups-pgbackrest-2026/ Fri, 01 May 2026 05:30:00 +0530 https://blog.rajpoot.dev/posts/devops/postgres-backups-pgbackrest-2026/ Postgres backup strategies in 2026 — pgBackRest, Barman, WAL-G, point-in-time recovery, and the patterns that survive disasters. https://blog.rajpoot.dev/posts/devops/cloudflare-vs-aws-vs-vercel-2026/ Fri, 01 May 2026 04:50:00 +0530 https://blog.rajpoot.dev/posts/devops/cloudflare-vs-aws-vs-vercel-2026/ Cloudflare vs AWS vs Vercel for backend deployment in 2026 — pricing, capabilities, lock-in, and how to pick. https://blog.rajpoot.dev/posts/devops/sbom-software-bill-of-materials-2026/ Fri, 01 May 2026 03:20:00 +0530 https://blog.rajpoot.dev/posts/devops/sbom-software-bill-of-materials-2026/ How to generate, store, and use SBOMs in 2026 — CycloneDX, SPDX, syft, grype, and the patterns from compliance-mature teams. https://blog.rajpoot.dev/posts/devops/runbooks-on-call-2026/ Fri, 01 May 2026 02:10:00 +0530 https://blog.rajpoot.dev/posts/devops/runbooks-on-call-2026/ Practical on-call practices and runbooks for 2026 — page rotation, severity, escalation, runbook templates, and the patterns that keep teams sane. https://blog.rajpoot.dev/posts/devops/argo-cd-applicationsets-2026/ Fri, 01 May 2026 01:30:00 +0530 https://blog.rajpoot.dev/posts/devops/argo-cd-applicationsets-2026/ Argo CD ApplicationSets in 2026 — generators, multi-cluster, scale-out patterns for GitOps fleets of services. https://blog.rajpoot.dev/posts/devops/iac-best-practices-2026/ Fri, 01 May 2026 00:50:00 +0530 https://blog.rajpoot.dev/posts/devops/iac-best-practices-2026/ IaC best practices in 2026 — module structure, remote state, drift detection, secrets, and the patterns that scale to large fleets. https://blog.rajpoot.dev/posts/devops/log-aggregation-loki-clickhouse-2026/ Thu, 30 Apr 2026 23:58:00 +0530 https://blog.rajpoot.dev/posts/devops/log-aggregation-loki-clickhouse-2026/ Log aggregation choices in 2026 — Loki, ClickHouse, OpenSearch, Datadog. Cost, query speed, indexing, and which fits which scale. https://blog.rajpoot.dev/posts/devops/k8s-cost-engineering-2026/ Thu, 30 Apr 2026 23:30:00 +0530 https://blog.rajpoot.dev/posts/devops/k8s-cost-engineering-2026/ Kubernetes cost engineering in 2026 — right-sizing requests, spot pools, Karpenter, vertical autoscaling, and the patterns that actually cut bills. https://blog.rajpoot.dev/posts/devops/dockerfile-best-practices-2026/ Thu, 30 Apr 2026 23:00:00 +0530 https://blog.rajpoot.dev/posts/devops/dockerfile-best-practices-2026/ Dockerfile best practices for 2026 — multi-stage builds, layer caching, security, image size, BuildKit, and the patterns that ship. https://blog.rajpoot.dev/posts/devops/chaos-engineering-2026/ Thu, 30 Apr 2026 22:00:00 +0530 https://blog.rajpoot.dev/posts/devops/chaos-engineering-2026/ Chaos engineering practices that work in 2026 — game days, failure injection, observability of chaos, and the patterns from teams that ship reliable systems. https://blog.rajpoot.dev/posts/devops/argo-workflows-vs-airflow-2026/ Thu, 30 Apr 2026 21:20:00 +0530 https://blog.rajpoot.dev/posts/devops/argo-workflows-vs-airflow-2026/ Workflow orchestrators in 2026 — Argo Workflows, Airflow, Dagster, Prefect. When each fits and how to pick by team and use case. https://blog.rajpoot.dev/posts/backend/healthchecks-readiness-liveness-2026/ Thu, 30 Apr 2026 20:20:00 +0530 https://blog.rajpoot.dev/posts/backend/healthchecks-readiness-liveness-2026/ How to design health checks that actually reflect service health — liveness vs readiness, dependency checks, startup probes, and the patterns that prevent silent outages. https://blog.rajpoot.dev/posts/devops/cost-optimization-cloud-2026/ Thu, 30 Apr 2026 20:00:00 +0530 https://blog.rajpoot.dev/posts/devops/cost-optimization-cloud-2026/ Cloud cost optimization tactics that work in 2026 — right-sizing, spot instances, savings plans, egress reduction, idle resource cleanup, and FinOps practices. https://blog.rajpoot.dev/posts/devops/serverless-2026-when-it-wins/ Thu, 30 Apr 2026 19:10:00 +0530 https://blog.rajpoot.dev/posts/devops/serverless-2026-when-it-wins/ Serverless in 2026 — Lambda, Cloud Run, Cloudflare Workers, Fly Machines. Where it won, where it didn't, and how to pick. https://blog.rajpoot.dev/posts/devops/observability-2-0-slos-traces-2026/ Thu, 30 Apr 2026 18:30:00 +0530 https://blog.rajpoot.dev/posts/devops/observability-2-0-slos-traces-2026/ Observability 2.0 in 2026 — wide events, SLOs as primary, Honeycomb / Lightstep patterns, and the move beyond logs/metrics/traces. https://blog.rajpoot.dev/posts/devops/ci-cd-2026-best-practices/ Thu, 30 Apr 2026 18:00:00 +0530 https://blog.rajpoot.dev/posts/devops/ci-cd-2026-best-practices/ CI/CD best practices for 2026 — fast pipelines, dependency caching, parallel tests, branch protection, and the patterns that ship reliably. https://blog.rajpoot.dev/posts/devops/secrets-management-vault-eso-2026/ Thu, 30 Apr 2026 17:50:00 +0530 https://blog.rajpoot.dev/posts/devops/secrets-management-vault-eso-2026/ Secrets management for production in 2026 — Vault, External Secrets Operator, AWS / GCP secret managers, rotation, and the patterns that keep secrets out of Git. https://blog.rajpoot.dev/posts/devops/zero-downtime-deployments-2026/ Thu, 30 Apr 2026 17:40:00 +0530 https://blog.rajpoot.dev/posts/devops/zero-downtime-deployments-2026/ Zero-downtime deployment patterns in 2026 — blue/green, canary, rolling, the role of feature flags, schema migrations, and rollback strategies. https://blog.rajpoot.dev/posts/devops/incident-response-postmortems-2026/ Thu, 30 Apr 2026 17:00:00 +0530 https://blog.rajpoot.dev/posts/devops/incident-response-postmortems-2026/ Incident response and blameless postmortem practices for 2026 — incident commander, severity levels, runbooks, the postmortem doc, and the cultural shifts. https://blog.rajpoot.dev/posts/devops/kubernetes-2026-state-of-affairs/ Thu, 30 Apr 2026 16:50:00 +0530 https://blog.rajpoot.dev/posts/devops/kubernetes-2026-state-of-affairs/ The state of Kubernetes in 2026 — eBPF / Cilium default, KCP, gateway API, sidecarless meshes, and the operational realities. https://blog.rajpoot.dev/posts/rust/rust-tooling-cargo-2026/ Thu, 30 Apr 2026 16:20:00 +0530 https://blog.rajpoot.dev/posts/rust/rust-tooling-cargo-2026/ Modern Rust tooling in 2026 — cargo, clippy, rustfmt, workspaces, cargo-watch, cargo-nextest, and the productivity setup that ships. https://blog.rajpoot.dev/posts/postgresql/postgresql-replication-ha-2026/ Thu, 30 Apr 2026 15:10:00 +0530 https://blog.rajpoot.dev/posts/postgresql/postgresql-replication-ha-2026/ Postgres high availability in 2026 — streaming replication, logical replication, Patroni / pg_auto_failover, and the patterns for zero-downtime ops. https://blog.rajpoot.dev/posts/backend/feature-flags-progressive-delivery-2026/ Thu, 30 Apr 2026 14:20:00 +0530 https://blog.rajpoot.dev/posts/backend/feature-flags-progressive-delivery-2026/ Feature flags and progressive delivery in 2026 — LaunchDarkly, Flagsmith, OpenFeature, the patterns for safe rollouts and the operational realities. https://blog.rajpoot.dev/posts/devops/nix-devbox-dev-environments-2026/ Thu, 30 Apr 2026 10:50:00 +0530 https://blog.rajpoot.dev/posts/devops/nix-devbox-dev-environments-2026/ How to ship reproducible dev environments in 2026 — Nix flakes, Devbox, mise, devcontainers, and the right level of reproducibility for your team. https://blog.rajpoot.dev/posts/devops/pulumi-vs-terraform-opentofu-2026/ Thu, 30 Apr 2026 10:10:00 +0530 https://blog.rajpoot.dev/posts/devops/pulumi-vs-terraform-opentofu-2026/ Pulumi vs Terraform vs OpenTofu in 2026 — language model, ecosystem, state, and team fit. A practical decision guide for IaC. https://blog.rajpoot.dev/posts/devops/cilium-ebpf-service-mesh-2026/ Wed, 29 Apr 2026 09:40:00 +0530 https://blog.rajpoot.dev/posts/devops/cilium-ebpf-service-mesh-2026/ Cilium and eBPF for production Kubernetes — sidecarless service mesh, network policy, mTLS, observability with Hubble and Tetragon, and a path to migrate from Istio. https://blog.rajpoot.dev/posts/devops/opentelemetry-end-to-end-observability/ Tue, 28 Apr 2026 20:40:00 +0530 https://blog.rajpoot.dev/posts/devops/opentelemetry-end-to-end-observability/ OpenTelemetry in 2026 — the working model for traces, metrics, and logs, instrumented across Python, Go, and Rust services, exported to your observability backend. https://blog.rajpoot.dev/posts/devops/webassembly-kubernetes-spin-wasmcloud-2026/ Tue, 28 Apr 2026 18:20:00 +0530 https://blog.rajpoot.dev/posts/devops/webassembly-kubernetes-spin-wasmcloud-2026/ Where WebAssembly actually fits on Kubernetes in 2026 — Spin, wasmCloud, runwasi, the WASI 0.2 component model, and the workloads where WASM beats containers. https://blog.rajpoot.dev/posts/devops/software-supply-chain-security-sbom-slsa-sigstore/ Tue, 28 Apr 2026 18:10:00 +0530 https://blog.rajpoot.dev/posts/devops/software-supply-chain-security-sbom-slsa-sigstore/ Software supply chain security explained — SBOM (CycloneDX/SPDX), SLSA levels, signing builds with Sigstore, attestations, and how to wire the whole thing into your CI without theatre. https://blog.rajpoot.dev/posts/devops/slos-error-budgets-sre-app-developers/ Tue, 28 Apr 2026 18:00:00 +0530 https://blog.rajpoot.dev/posts/devops/slos-error-budgets-sre-app-developers/ SLIs, SLOs, and error budgets explained for app developers — pick the right indicator, set a target you'll defend, calculate the budget, and use it to make engineering decisions. https://blog.rajpoot.dev/posts/devops/gitops-argocd-flux-explained/ Tue, 28 Apr 2026 17:50:00 +0530 https://blog.rajpoot.dev/posts/devops/gitops-argocd-flux-explained/ GitOps explained without the marketing — how Argo CD and Flux reconcile Git with your cluster, the patterns that scale (app-of-apps, ApplicationSets), and the gotchas nobody warns you about. https://blog.rajpoot.dev/posts/devops/platform-engineering-internal-developer-platforms/ Tue, 28 Apr 2026 17:40:00 +0530 https://blog.rajpoot.dev/posts/devops/platform-engineering-internal-developer-platforms/ Platform engineering explained — what an Internal Developer Platform actually is, the components that matter (Backstage, Crossplane, golden paths), and how to start one without rebuilding the world. https://blog.rajpoot.dev/posts/devops/linux-server-hardening-for-app-deployers/ Tue, 28 Apr 2026 15:35:00 +0530 https://blog.rajpoot.dev/posts/devops/linux-server-hardening-for-app-deployers/ A practical Linux hardening checklist for app developers deploying to a VPS — SSH, users, firewall, fail2ban, automatic updates, and the basics that stop 95% of attacks. https://blog.rajpoot.dev/posts/devops/observability-logs-metrics-traces/ Tue, 28 Apr 2026 15:30:00 +0530 https://blog.rajpoot.dev/posts/devops/observability-logs-metrics-traces/ A practical introduction to observability — what logs, metrics, and traces actually are, when to use which, and how to wire it up without drowning in tooling. https://blog.rajpoot.dev/posts/devops/github-actions-cicd-for-python/ Tue, 28 Apr 2026 15:25:00 +0530 https://blog.rajpoot.dev/posts/devops/github-actions-cicd-for-python/ A practical CI/CD pipeline for Python apps with GitHub Actions — lint, type-check, test against a real Postgres, build a Docker image, and deploy. Plus matrix builds and caching. https://blog.rajpoot.dev/posts/devops/load-balancers-explained/ Tue, 28 Apr 2026 15:20:00 +0530 https://blog.rajpoot.dev/posts/devops/load-balancers-explained/ What load balancers actually do, the difference between L4 and L7, the algorithms (round-robin, least-connections, etc.), health checks, sticky sessions, and how Nginx, HAProxy, Envoy, and AWS ELB compare. https://blog.rajpoot.dev/posts/devops/kubernetes-for-app-developers/ Tue, 28 Apr 2026 15:15:00 +0530 https://blog.rajpoot.dev/posts/devops/kubernetes-for-app-developers/ What an app developer actually needs to know about Kubernetes — pods, services, deployments, configs, secrets, ingress, and the patterns to ship a real app. https://blog.rajpoot.dev/posts/devops/git-workflow-for-solo-developers/ Tue, 28 Apr 2026 14:15:00 +0530 https://blog.rajpoot.dev/posts/devops/git-workflow-for-solo-developers/ A pragmatic Git workflow for solo developers and small teams — branches that aren't theatre, commits that tell a story, rebases without fear, and the recovery commands you'll actually need. https://blog.rajpoot.dev/posts/devops/docker-for-python-developers/ Tue, 28 Apr 2026 14:10:00 +0530 https://blog.rajpoot.dev/posts/devops/docker-for-python-developers/ A no-fluff Docker guide for Python developers — Dockerfiles that aren't 2GB, multi-stage builds, docker-compose for local dev, and the patterns that actually scale. https://blog.rajpoot.dev/posts/django/deploying-django-to-production/ Tue, 28 Apr 2026 13:40:00 +0530 https://blog.rajpoot.dev/posts/django/deploying-django-to-production/ A practical, opinionated guide to deploying Django to production — Gunicorn, Nginx, PostgreSQL, static files, environment config, security headers, and the pre-flight checklist.