1. cache-server (embedded server, running in IDE)
2. cache-client (client app, requires cache-server)
1. cache-server -> Run first -> com.mycompany.cache.server.GemfireCacheServerApplication
2. cache-client -> Run second -> com.mycompany.cache.server.GemfireCacheServerApplication
3. http://localhost:8080/load -> Load customer data into cache
4. http://localhost:8080/customers -> returns all customers
https://docs.spring.io/spring-boot-data-geode-build/1.2.x/reference/html5/