# Introduction
# Prerequisites
You should have the following tools installed on your machine:
- Java JDK 8 (or higher)
- IntelliJ or another Java IDE
- Gradle (with the binaries added to the path environment variable)
- Node.js version 8.x or 10.x
- Heroku CLI
If you don't have them already, make sure to create the following accounts:
- Heroku account: https://www.heroku.com (opens new window)
- Spotify account: https://www.spotify.com (opens new window)