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Clean Architecture15 lug 2026•Reading time18 min

Infrastructure Layer: JPA and Redis in Clean Architecture

The infrastructure layer implements the ports of domain/application through adapters: JPA for persistence, Redis for caching, WebClient for external services. How to maintain the dependency arrow toward the domain, avoid fatal couplings, and scale with concrete patterns on Spring Boot 3.4, PostgreSQL 16 and Redis Stack 7.

infrastructure layerclean architecturespring bootspring data jparedis cachingjpa adapterdependency inversionport adapter patternpostgresqlredis stackwebclient

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The infrastructure layer implements the ports of domain/application through adapters: JPA for persistence, Redis for caching, WebClient for external services. How to maintain the dependency arrow toward the domain, avoid fatal couplings, and scale with concrete patterns on Spring Boot 3.4, PostgreSQL 16 and Redis Stack 7.

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