In this chapter, we need the following prerequisites: JDK 1.8: http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html Git: https://git-scm.com/downloads Node.js 8+: https://nodejs.org Python 3.6: https://www.python.org/downloads/ OpenSSL: https://wiki.openssl.org/index.php/Binaries