Mongo Initial Permissions

snippet.sh

# Why does initial setup of Mongo always give me permission issues?
mongosh

use admin
db.createUser(
  {
    user: "adminUser",
    pwd: passwordPrompt(),
    roles: [
      { role: "userAdminAnyDatabase", db: "admin" },
      { role: "readWriteAnyDatabase", db: "admin" }
    ]
  }
)

use example_database
db.createUser(
  {
    user: "shane",
    pwd: passwordPrompt(),
    roles: [
      { role: "readWrite", db: "example_database" }
    ]
  }
)

# set the following in /etc/mongo.conf
# security:
#  authorization: enabled