DevOps — Page 2 of 8
Browsing page 2 of 8 — 95 articles on devops.
Traffic Shaping in Production: Rate Limiting, Request Hedging, and Adaptive Concurrency for Resilient Services
A production guide to traffic shaping techniques: token bucket and sliding window rate limiting with TypeScript implementations, request hedging to cut tail latency, adaptive concurrency limits that self-tune under load, priority traffic classes, and load shedding at the ingress layer.
Automated TLS Certificate Management: ACME Protocol, Let's Encrypt, and Certificate Rotation in Production
A practical guide to automating TLS certificate lifecycle in production: ACME protocol flow, HTTP-01 vs DNS-01 challenges, cert-manager in Kubernetes, Caddy automatic HTTPS, Cloudflare edge certificates, rotation strategies, expiry monitoring, and the failure modes that will actually bite you.
Progressive Delivery with Argo Rollouts: Canary Analysis, Automated Blue-Green, and Metrics-Driven Deployment Gates in Kubernetes
A production playbook for Argo Rollouts: canary traffic shaping, blue-green automation, AnalysisTemplate wiring, rollback behavior, and when you need a service mesh versus simple weighted routing.
Wide Events and Observability 2.0: Why Structured Events Are Replacing the Three-Pillar Model
The metrics/logs/traces model is expensive, correlation-hostile, and cardinality-limited. Wide events, one rich structured event per unit of work, fix all three problems. This guide covers schema design, TypeScript emission with OpenTelemetry, column store analytics, and a practical migration strategy.
Immutable Infrastructure in Practice: Golden Images, Container Registries, and Deployment Patterns That Eliminate Configuration Drift
A practical guide to immutable infrastructure as a deployment philosophy: golden image pipelines, container registry promotion workflows, blue-green and canary deployments, secrets injection without baking credentials into images, and when mutable infrastructure is actually the right call.
Production Traffic Replay and Shadow Testing: Validating Changes Against Real User Traffic Without Risk
How to capture production traffic, replay it against new service versions, and compare results to validate changes before they reach users. Covers GoReplay, tcpdump, custom middleware, response diffing, and CI/CD integration.
Production Kubernetes Troubleshooting: Debugging CrashLoopBackOff, OOMKilled, and Networking Failures
A systematic guide to debugging the most common Kubernetes production failures. Covers CrashLoopBackOff diagnosis with exit codes, OOMKilled prevention and memory right-sizing, DNS resolution failures, service networking issues, and the kubectl commands experienced operators reach for first.
Prometheus and Grafana for Startups: Setting Up Production Monitoring and Alerting from Scratch
A practical guide to building a production-grade monitoring stack with Prometheus, Grafana, and Alertmanager for startup teams. Covers instrumentation, the four golden signals, useful dashboards, noise-reducing alerts, and when to graduate to a managed solution.
Service Level Objectives in Practice: Defining SLOs, Burn-Rate Alerting, and Error Budget Policies for Production Systems
How to define SLIs and SLOs that reflect real user pain, calculate error budgets, implement multi-window burn-rate alerting with Prometheus, and enforce error budget policies that connect reliability to engineering priorities.
Automated Capacity Planning for Startups: Load Profiling, Bottleneck Detection, and Predictive Scaling
A practical guide to capacity planning for startup engineering teams without a dedicated platform team. Covers load profiling, bottleneck detection, automated right-sizing, predictive scaling, and lightweight dashboards using Prometheus, Grafana, Kubernetes HPA, and Cloudflare Workers analytics.
Database Performance Testing in CI/CD: Query Benchmarks, Migration Impact Analysis, and Regression Detection
How to catch database performance regressions before they reach production, covering query baselines, migration impact analysis, pgbench integration, performance gates, and connection pool stress testing in GitHub Actions.
Securing Your CI/CD Pipeline: OIDC Authentication, Artifact Signing, and Runtime Attestation for Production Deployments
Long-lived credentials in CI are an accident waiting to happen. This guide covers replacing static secrets with OIDC federation, signing build artifacts with Sigstore/cosign, generating SLSA provenance, and enforcing signed images at runtime with Kubernetes admission controllers.