Node.js Session Manager
npm install ohm   !dependencies   

sh
brew install mongodb
brew install nvm
brew install redis
Configure Dependencies
brew services start mongodb
nvm install v6.10.2
nvm alias default v6.10.2
npm install -g bower
redis-server &
`
$3
`sh
npm install --save ohm
`
$3
create a new file server.js and create a config file.
`javascript
(function() {
'use strict'; const config = require('./config.js');
const Ohm = require('ohm');
module.exports = new Ohm(config);
}());
``
##### required params
* env: environment variable
* host: hostname
* port: port
* MONGO_DB: Mongodb database name
* VIEWS_DIR: location of the pug views directory
* ROUTES: location of the site's regular routes
* SESSION_KEY: the key used for the cookie
* SOCKETIO_SESSION_SECRET
* PARSE_PATH: route for parse server
* PARSE_DASHBOARD: route for parse dashboard
* PARSE_APPLICATION_ID
* PARSE_JAVASCRIPT_KEY
* PARSE_MASTER_KEY##### optional params:
*
MONGO_URI: mongdb url (e.g. mongodb://MONGO_HOST:MONGO_PORT)
* MONGO_PORT: port for mongoDB (default localhost)
* MONGO_HOST: host for mongoDB (default 27017)
* REDIS_PORT: port for redis (default 6379)
* REDIS_HOST: host for redis (default localhost)
* GHOST_PATH: the path that ghost CMS will use
* GHOST_CONFIG: location of the ghost config
* SOCKETS`: location of the site's sockets routes* Node.js
* Express.js
* Parse Server
* Socket.io