Soon...
Check docker-compose.yml file to see root credentials.
container_name: "tsbase-mongo"
MONGO_INITDB_ROOT_USERNAME: root
MONGO_INITDB_ROOT_PASSWORD: 1234
Create user in mongo:
[user@host] docker exec -it tsbase-mongo /bin/bash
root@3a2d1877f2e9:/# mongo -u root -p 1234
> use mybase
> db.createUser({user: "myuser", pwd: "mypassword", roles: ["readWrite"]})