Follow the "Getting started" instructions to set up Redis appropriate for your operating system There are instructions for Docker, Linux, Windows, and MacOS.
Within the persistance-framework, run mvn clean package to package the code into a jar. Then run java -jar target/annotations-1.0-SNAPSHOT.jar to run the program. The program will parse the input.json, store the data into Redis, and prompt input for a post ID to load the corresponding post and their associated replies.