simple python built-in web hello world

hello.py

from http.server import BaseHTTPRequestHandler, HTTPServer


class Handler(BaseHTTPRequestHandler):

    def do_GET(self):
        self.send_response(200, 'OK')
        self.send_header('Content-type', 'application/json')
        self.end_headers()
        self.wfile.write(b'{"message": "hello world"}')


if __name__ == '__main__':
    server = HTTPServer(('', 8080), Handler)
    try:
        server.serve_forever()
    except KeyboardInterrupt:
        server.socket.close()