HTTP Server

handle requests from client and send appropriate responses
basically a complex series of if statements to figure out what to do for any given request

Basic Tasks

parse request headers, e.g. accepted content type, compression, etc.
parse request body, e.g. form data, etc.
perform input validation, e.g. escape HTML, etc.
choose different response based on file path and method (routing), e.g. index.html for /, else 404.html, etc.
set response status code, e.g. 200 OK or 404 Not Found etc.
set response headers, e.g. content type, content length, compression, etc.
error handling and logging
support state-of-the-art HTTP protocols, e.g. Connection: keep-alive header
support security headers, e.g. ???
etc. pp.

build response from local files, e.g. index.html, style.css, script.js, etc.
needs to only support GET since data doesn’t change