You need to install Zookeeper to your local machine from this link
https://zookeeper.apache.org/releases.html
Clone the project
git clone https://github.com/macsakini/Service-Discovery-Zookeeper
Go to the project directory
cd Service-Discovery-Zookeeper
Install dependencies
./gradlew build
Start the server
./gradlew run
Microservices: Jetty, Java, Gradle
Server: Apache Zookeeper, Apache Curator