Zero Downtime Deployment with Docker Compose and Nginx
Build blue/green zero downtime deployments on one host with Docker Compose healthchecks, Nginx upstream switching, graceful reloads, and safe rollback.
17 min read
Tag
devops
How to Reduce Deployment Time: A Critical-Path Approach Step by Step
Learn to reduce deployment time by measuring your pipeline's critical path, then applying parallel steps, caching and artifact reuse where they matter.
13 min read
Deployment Rollback Strategy for Code, Config and Database
Learn how to design a deployment rollback for code, config and database schema, using immutable artifacts, expand/contract migrations and feature flags.
13 min read
Backend Hosting Options for Small Teams: VPS vs PaaS vs Kubernetes
Compare VPS, PaaS and Kubernetes for a small backend by operational burden, failure recovery and total hosting cost, including the engineer time each one takes.
12 min read
Deployment Strategies Compared: Rolling, Blue-Green and Canary
Compare rolling updates, blue-green deployment and canary releases by blast radius, rollback speed, capacity cost and compatibility needs, and learn when to use each.
13 min read
How to Speed Up GitHub Actions: Caching, Concurrency and Matrix
Speed up GitHub Actions by caching dependencies, cancelling superseded runs with concurrency groups, and shaping matrix jobs to save CI minutes.
14 min read
CI/CD Pipeline Design: Ordering Stages, Gates and Rollbacks
Learn to order CI/CD stages by cost, build gates with clear pass/fail criteria, and design tested rollbacks before your first production deploy.
13 min read
Kubernetes Basics for Backend Developers: Pods, Deployments, Services
Learn Kubernetes basics as a control loop: how Pods, Deployments and Services work, how to deploy and debug a service, and when Kubernetes is not worth it.
14 min read
Configuration Mistakes Incidents: Why Env Changes Break Production
Learn why config changes cause outsized incidents, the common failure types, and how to validate, review, stage, observe and roll back them like code.
12 min read
Monorepo CI: Keeping Pipelines Fast as the Repository Grows
Learn how to keep monorepo CI fast with affected builds, correctly keyed caches, deliberate parallelism, and a full-build safety net against graph drift.
14 min read
GitHub Actions CI for Backends: A Reliable Pipeline Template
Build a reliable backend GitHub Actions CI pipeline: triggers, job splitting, dependency caching, scoped matrix builds, service containers and hardening.
14 min read
Preventing Configuration Drift Between Services and Environments
Learn how to stop configuration drift with one typed source of truth per key, shape-only environment parity, fail-fast validation, and runtime drift checks.
14 min read