WebFund 2016W Lecture 4

Notes

In-class Notes

Lecture 4
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Web servers

What does a web server do?
Listens on port 80, 443, or other port
INPUT: HTTP requests
OUTPUT: HTTP responses & requested documents

tinywebserver.js
 - written in JavaScript (Node)
 - can only serve files
 - understands only a few file types

So tinywebserver is how web servers worked in 1995

What changed since then is now web servers run code to generate responses

Why use frameworks?
 - because we don't want to build up HTML from scratch
 - and, we want logic that is abstracted away
 - and, we want routing
   - have someone else decide which function to call in response to requests

But for this week, bare bones

Debugging