Role-Based Feature Flags in Spring Boot with Unleash or FF4J

Feature flags let you decouple deployment from release. But what if you want to roll out a feature only for a specific user role—say, ADMIN or BETA_TESTER? In this article, we’ll explore how to implement role-based feature flags in Spring Boot using two popular tools: Unleash and FF4J. What You’ll Need Spring Boot (v2.x or 3.x) Either Unleash or FF4J Basic authentication or role …

May 29, 2025 - 06:40

Feature flags let you decouple deployment from release. But what if you want to roll out a feature only for a specific user role—say, ADMIN or BETA_TESTER? In this article, we’ll explore how to implement role-based feature flags in Spring Boot using two popular tools: Unleash and FF4J. What You’ll Need Spring Boot (v2.x or 3.x) Either Unleash or FF4J Basic authentication or role …