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Build rate limiter engine
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Module 3
Initial Implementation and Integration
1
Fixed Window Counter with ConcurrentHashMap
Implement a basic in-memory fixed window counter using ConcurrentHashMap.
2
Extracting Client IP: Key Resolver Implementation
Implement a key resolver to extract the client's IP address from the HTTP request.
3
Spring Boot Rate Limiting with Interceptors
Integrate the rate limiter into the Spring Boot request lifecycle using the configured interceptor.
4
Responding to Rate Limits with HTTP 429
Return an HTTP 429 (Too Many Requests) response when a limit is exceeded.
5
Testing Rate-Limited Endpoints with @SpringBootTest
Write an integration test using @SpringBootTest to verify the rate-limited endpoint.
Previous module
Rate Limiting Principles and Architectural Design
Next module
Advanced In-Memory Implementations