nginx default config

default.conf

server {
    listen       80 default_server;
    server_name  _;

    location / {
        root   /usr/share/nginx/html;
        index  index.html index.htm;
    }

    location /health {
        add_header Content-Type text/plain;
        return 200 'healthy';
    }

    # for testing/debugging purposes
    location /proxy {
        proxy_pass http://127.0.0.1:9000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }

    error_page   500 502 503 504  /50x.html;

    location = /50x.html {
        root   /usr/share/nginx/html;
    }

}

Test/Debug server in Python

import json
from http.server import BaseHTTPRequestHandler, HTTPServer

class RequestHandler(BaseHTTPRequestHandler):
    def do_GET(self):
        # Set response headers
        self.send_response(200)
        self.send_header('Content-type', 'application/json')
        self.end_headers()

        # Get request details
        request_data = {
            'method': self.command,
            'path': self.path,
            'headers': dict(self.headers),
            'client_address': self.client_address[0],
            'client_port': self.client_address[1],
        }

        # Convert request data to JSON
        response_json = json.dumps(request_data, indent=4)

        # Send the JSON response
        self.wfile.write(response_json.encode('utf-8'))

def run_server(port):
    server_address = ('', port)
    httpd = HTTPServer(server_address, RequestHandler)
    print(f'Starting server on port {port}...')
    httpd.serve_forever()

if __name__ == '__main__':
    import sys

    if len(sys.argv) != 2:
        print('Usage: python script_name.py <port_number>')
        sys.exit(1)

    try:
        port = int(sys.argv[1])
        run_server(port)
    except ValueError:
        print('Invalid port number. Please provide a valid integer port.')
        sys.exit(1)