Work around with the default python -m http.server limitations: 1. some file types are not sent (e.g. excel, word) 2. Caching is not needed

http_server_enhanced.py

from http.server import HTTPServer, BaseHTTPRequestHandler, SimpleHTTPRequestHandler
import socketserver

PORT = 8080


class MyHandler(SimpleHTTPRequestHandler):
    def __init__(self, request, client_address, server, *, directory=None):
        super().__init__(request, client_address, server, directory=directory)
        self.extensions_map = {
            ".html": "text/html",
            ".png": "image/png",
            ".jpg": "image/jpg",
            ".svg": "image/svg+xml",
            ".css": "text/css",
            ".js": "application/x-javascript",
            "": "application/octet-stream",  # Default
        }

    def end_headers(self):
        self.send_header("Access-Control-Allow-Origin", "*")
        self.send_header("Cache-Control", "no-cache, no-store, must-revalidate")
        self.send_header("Pragma", "no-cache")
        self.send_header("Expires", "0")
        SimpleHTTPRequestHandler.end_headers(self)


httpd = socketserver.TCPServer(("", PORT), MyHandler)
print("serving at port", PORT)
httpd.serve_forever()