Code Ape Tech Column
Oct 28, 2025 · Backend Development
How to Build a Lightweight Spring Boot API Firewall for Real‑Time Protection
This article walks through the design and implementation of a lightweight API firewall embedded in a Spring Boot application, covering background pain points, architecture, core capabilities such as black‑white list, rate limiting, online configuration, detailed Java code, front‑end console, deployment, and practical use cases.
Blacklistapi-firewallmicroservices
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