#!/usr/bin/env python3
from http.server import HTTPServer, BaseHTTPRequestHandler
from datetime import datetime, timezone

class Handler(BaseHTTPRequestHandler):
    def do_GET(self):
        self.send_response(200)
        self.send_header("Content-type", "text/plain")
        self.send_header("X-Server-Time", datetime.now(timezone.utc).isoformat())
        self.end_headers()
        self.wfile.write(b"OK\n")

    def do_HEAD(self):
        self.send_response(200)
        self.send_header("Content-type", "text/plain")
        self.send_header("X-Server-Time", datetime.now(timezone.utc).isoformat())
        self.end_headers()

    def log_message(self, format, *args):
        pass

if __name__ == "__main__":
    port = 8000
    server = HTTPServer(("", port), Handler)
    print(f"Server laeuft auf Port {port}")
    try:
        server.serve_forever()
    except KeyboardInterrupt:
        pass