Trying out the discovery service

With all of the details in place, we are ready to try out Netflix Eureka:

1. First, build the Docker images with the following commands:

cd $BOOK_HOME/Chapter09
./gradlew build && docker-compose build

1. Next, start the system landscape and run the usual tests with the following command:

./test-em-all.bash start

Expect output similar to what we have seen in previous chapters:

Figure 9.5: Successful test output

With the system landscape up and running, we can start by testing how to scale up the number of instances for one of the microservices.

Scaling up

Run the following commands to try out scaling up a service:

1. Launch two extra review microservice instances:

docker-compose up -d --scale review=3

With the preceding command, we ask Docker Compose to run three instances of the review service. Since one instance is already running, two new instances will be started up.

1. Once the new instances are up and running, browse to http://localhost...