Zero-Downtime Deployments: Blue-Green, Canary, and Rolling Updates Explained
Zero-downtime deployment strategies compared — blue-green, canary, rolling updates, database migrations, and when just restarting is fine.
Infrastructure as Code for Solo Developers: Terraform, Pulumi, and When a Shell Script Is Enough
IaC for solo developers — Terraform vs Pulumi vs shell scripts, state management, and practical starter patterns.
Understanding OAuth 2.0 and OpenID Connect: A Developer’s Implementation Guide
A practical guide to implementing OAuth 2.0 and OpenID Connect — grant types, token management, PKCE, and common security pitfalls.
Linux Process Management: systemd, Supervisor, and PM2 Compared
Comparing systemd, Supervisor, and PM2 for managing long-running processes on Linux servers with real configuration examples.
Backup Strategies That Actually Work: The 3-2-1 Rule in Practice
The 3-2-1 backup rule is simple in theory but tricky in practice. Here is how to implement it with real tools, real schedules, and real restore testing.
The Email Deliverability Stack: SPF, DKIM, DMARC, and Why Your Emails Go to Spam
SPF, DKIM, and DMARC explained at practitioner level — syntax, the 10-lookup problem, ESP comparisons, and domain warm-up strategies.
Cloudflare Workers vs AWS Lambda: Serverless at the Edge in 2026
V8 isolates vs Firecracker MicroVMs — cold starts, pricing, runtime limits, and when to use edge vs regional serverless.
Monitoring Your Server Without Enterprise Tools: Prometheus, Grafana, and Uptime Kuma
Datadog costs $23-46/host/month. Here is how to build comparable observability with Prometheus, Grafana, and Uptime Kuma for free.
Why Every Developer Should Understand DNS: A Practical Deep Dive
How DNS actually works, debugging with dig, common misconfigurations, provider comparison, and the Cloudflare proxy decision — a practitioner guide.
Nginx vs Caddy in 2026: Which Reverse Proxy Should You Actually Use?
Automatic HTTPS vs raw throughput — an honest comparison of Nginx and Caddy for production reverse proxy use in 2026.