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🔸 TLDR ▪️ HTTP codes are grouped by first digit: 1xx info, 2xx success, 3xx redirection, 4xx client error, 5xx server error. ▪️ Pick the most specific code to make your API predictable and debuggable. ✅ 🔸 WHAT THEY MEAN ▪️ 1XX — INFORMATIONAL 🤝 100 Continue, 101 Switching Protocols,...

🔸 TL;DR ▪️ Use startupProbe for apps with slow or spiky boot times. ▪️ It delays liveness checks until your app has finished starting, preventing CrashLoopBackOff storms. ▪️ Keep readinessProbe for traffic gating and livenessProbe for hung-process recovery. Each probe has a different job. 💡...

Hi folks, I’m excited to announce my new book: Spring Certification — Theory-First Study Guide. It maps 1:1 to the official Spring Professional objectives, with clear explanations, annotated code, and simple diagrams—no practice questions, pure theory. 🎟 Launch coupon (limited time): ...