Liferay Microservices Communication Guide (Enterprise Architecture)
Modern portals are no longer monolithic. Today, Liferay acts as a digital experience layer while business logic lives in independent microservices. This means the most important design decision becomes: 👉 How Liferay communicates with microservices In this guide you’ll learn all production communication patterns. đź“Ś Why Microservices with Liferay? Old architecture: Portal → Database → Business Logic inside portal Modern architecture: Portal → APIs → Microservices → Databases Benefits: Independent deployment Better scalability Easier upgrades Domain separation đź–Ľ️ High Level Architecture 4 🧠Communication Patterns Overview There are 4 enterprise patterns: REST APIs (most common) Event-driven messaging GraphQL gateway Async job workers Each has different purpose. 🔹 1️⃣ REST API Communication (Synchronous) Best for real-time UI responses. Example: User updates profile → Call customer service Liferay Java Client URL url = new URL ( "http://customer-service/api/profile" )...