https://spring.io/guides/gs/client-side-load-balancing/
Run 3 instances of say-hello service:
In /say-hello
SERVER_PORT=8888 mvn spring-boot:run
SERVER_PORT=8090 mvn spring-boot:run
SERVER_PORT=9092 mvn spring-boot:run
Run user service:
In /user
mvn spring-boot:run
Then:
curl localhost:8888/hi