CS 493 Cloud Computing

Course Overview

RESTful APIs
Docker and containers
Database storage
Authentication
Scaling
Offline background processing

RESTful APIs

The Big Picture
- The API is something you can connect to and get data from
- Weather example:
  - Send a zipcode
  - Receive a weather forecast
    - JSON data!
- The API exists at a URL (a lot of hand waving happening right here)

RESTful Design

https://api.auroras.live/v1/?type=ace&data=kp

https://example.com/customers/3490

URLs

HTTP

HTTP Methods

Get info about customer 3490
Set info about customer 3490
Create a new customer

Common HTTP Methods

GET - retrieve a thing
POST - save/send a thing

Uncommon HTTP Methods

PUT - update or create
PATCH - update an existing thing
DELETE - delete an existing thing

Debugging tools: Postman, cURL

Hacking time!

Get node.js and npm installed
Build a simple expressJS app
Work on Project 1