Get started with MEAN
https://docs.mongodb.com/manual/tutorial/install-mongodb-on-os-x/#run-mongodb
$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
$ brew update
Install MongoDB:
$ brew install mongodb
$ mkdir /data/db
$ sudo chown -R $USER /data/db
$ mongod
$ npm install
$ npm start