DevOps Knowledge Base

Real-world best practices, case studies, and tutorials from production environments serving millions of users.

Articles

Infrastructure

Why I self-host everything — and what it taught me about cloud costs

A €4/month VPS runs my entire personal infrastructure: three web apps, three microservices, two databases, blog, analytics. Here is what running cloud-shaped workloads on a single box taught me about hyperscaler pricing.

Eyal Levi•

5 min read

Observability

A minimal observability stack for a one-person Kubernetes cluster

You do not need Datadog. You need three signals — metrics, logs, traces — and a dashboard that fits on one screen. Here is the stack I run for under $5 of compute.

Eyal Levi•

8 min read

Platform Engineering

Failure-injection as a self-training methodology for platform engineers

How I use Claude Code as a chaos engineering partner to manufacture debugging reps on my own system — and what a silent notification drop taught me about where alerting really needs to live.

Eyal Levi•

7 min read

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