The MongoDB documentation is really, really excellent. Some of the best I've ever come across - it can be found here. The main reason for this guide is to provide a super concise summary of how to get up and running with Mongo on a Mac.

Installation

This is super simple with Homebrew. From the command line, run:

brew install mongodb

(If you want to see what packages you already have installed with brew, use brew list).

Starting MongoDB

Also super easy. First create a directory where you want all the data to be stored. By default, Mongo assumes that this is at /data/db, but you can put it in any directory you want. Then run:

mongod --dbpath <path to data directory>

If you then want to connect to the Mongo shell, open another terminal and type mongo. This will connect to the running MongoDB instance.

Creating a Database/Collection

To create a database:

use <db_name>

To drop it (once using):

db.dropDatabase()

List databases:

show dbs

Create a collection (without any special options):

db.createCollection("<collection_name>")

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