Local echo server to test headers and nginx.

serve.py

# USAGE: python3 serve.py <PORT>
#!/usr/bin/env python3

from http.server import SimpleHTTPRequestHandler

from socketserver import TCPServer

import logging

import sys

try:

    PORT = int(sys.argv[1])

except:

    PORT = 8000

class GetHandler(SimpleHTTPRequestHandler):

    def do_GET(self):

        self.send_response(200, self.headers)

        for h in self.headers:

            self.send_header(h, self.headers[h])

        self.end_headers()

Handler = GetHandler

httpd = TCPServer(('', PORT), Handler)

httpd.serve_forever()