Xiaolin Talks Programming

Jun 20, 2026 · Backend Development

Spring Boot Config Mastery: Multi-Env, Encryption & Nacos Hot Reload Pitfalls

This article provides a comprehensive guide to Spring Boot configuration management, covering profile-based environment isolation, configuration priority hierarchy, Jasypt encryption with AES, Nacos integration for dynamic configuration, @RefreshScope internals, common hot-reload pitfalls (connection pools, @Value fields, stateful beans), and governance practices like GitOps, auditing, and canary releases.