Include MongoDB installation?

[lucien144]

Ref: https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-mongodb-on-ubuntu-16-04

[lucien144]

How to create a root user:

use admin
db.createUser(
  {
    user: "root",
    pwd: "*******",
    roles: ["root"]
  }
)