The original title is "Building GateKeeper: Designing a Role-Based Access Control Library in Pure Go"

Short summary

A beginner backend developer shares lessons from building GateKeeper, a role-based access control library in pure Go using only the standard library. Key takeaways include the importance of API design over implementation, maintaining referential integrity when deleting roles and permissions, and Go's slice memory model requiring defensive copies. The post is a personal learning exercise rather than an AI-related topic.

• •Built an RBAC library in Go using only the standard library to learn public API design
• •Key bugs taught referential integrity (cascade-deleting roles from users) and Go slice memory semantics (defensive copies needed)
• •Not AI-related; primarily a beginner software engineering learning writeup

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