Nginx/nginx-demo/nginx-examples/hello_world_3/nginx.conf

daemon off;
master_process off;

error_log logs/error.log debug;

events { }

http {
    server {
        listen 8000;
        location / {
            hello_world;
            hello_world_status 201;
            hello_world_text "$arg_foo bar\n";
        }
    }
}