Showing posts from March, 2020

Integrating Redis with a Helidon MicroProfile Application for a Publish-Subscribe Usecase

Redis is an open source, in-memory data structure store, used as a database, cache and message broker. In this short post I am sharing a simple application that show cases classic integration of Redis message broker(pub/sub) APIs with a Helidon MicroProfile application for message publish-subscribe use case. You can checkout the source form here: What is the usecase exercised in this example ? It is simple :) We use the a simple greeting REST API  to exercise the Redis Publish Subscribe feature . When a client updates the greeting message, the Greeting resource implementation will publish the new greeting message to Redis channel topic for use by interested parties(consumers) Who does what? Here is quick summary of the classes that you find in the source: Lettuce : This example use  Lettuce  client library to connect to Redis server. If you are new to Lettuce, take a look a