Install Dependencies

*	cd to app_dir
*	npm install

Run Application Locally

*	cd to app_dir

• node weather_api.js

Open in browser

* http://localhost:3000/api/weather?zipcode=94040 (change zipcode parameter as you wish)

Curl Request

* Step 1: Make sure you're running `node weather_api.js` in terminal
* Step 2: Open new terminal or tab, then:
	>> curl -i -X GET http://localhost:3000/api/weather?zipcode=94040
	
	# Result:
		HTTP/1.1 200 OK
		content-type: application/json; charset=utf-8
		cache-control: no-cache
		content-length: 111
		vary: accept-encoding
		accept-ranges: bytes
		Date: Wed, 08 Nov 2017 03:56:09 GMT
		Connection: keep-alive

		{"description":"clear sky","temperature":286.15,"humidity":76,"wind_speed":0.87,"name_of_city":"Mountain View"}