1. Ask for the connection string
  2. You will need to add it as an environment variable
    1. VS Code: https://kastroud.hashnode.dev/adding-env-variables-to-your-spring-boot-project-on-vs-code
    2. IntelliJ: https://www.jetbrains.com/help/objc/add-environment-variables-and-program-arguments.html
  3. Name the variable MONGODB_URI