How to install webgoat in Kali Linux

WebGoat
       WebGoat is a deliberately insecure web application maintained by OWASP designed to teach web application security lessons

It's an very easy method

open terminal window
from your terminal window we need to download a webgoat jar file

#wget https://s3.amazonaws.com/webgoat-war/webgoat-container-7.0-SNAPSHOT-war-exec.jar

#ls
webgoat-container-7.0-SNAPSHOT-war-exec.jar

then simply run the jar file you can get webgoat

#java -jar webgoat-container-7.0-SNAPSHOT-war-exec.jar

//the service running and it should be running in background meanwhile

open your browser

http://localhost:8080/webgoat/attack

//here you can get the webgoat site