gistfile1.nginxconf

upstream poputchiki {
	server msk1.cydev.ru:3000;
	keepalive 16;
}

upstream render {
	server msk1.cydev.ru:9111;
	keepalive 16;
}


server {
	listen 80;
	root /sites-enabled/poputchiki/poputchiki-frontend;
	server_name poputchiki.cydev.ru;
	client_max_body_size 4G;
        access_log /log/poputchiki.access.log;
        error_log /log/poputchiki.error.log;

	location / {
		try_files $uri @prerender;
	}

	location /api/ {
		proxy_pass http://poputchiki;
	}

	location /api/realtime {
		keepalive_timeout 0;
                proxy_pass http://poputchiki;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection "upgrade";
	}

    	location @prerender {
        	set $prerender 0;
        	if ($http_user_agent ~* "googlebot|yahoo|bingbot|baiduspider|yandex|yeti|yodaobot|gigabot|ia_archiver|facebookexternalhit|twitterbot|developers\.google\.com") {
            		set $prerender 1;
        	}
        	if ($args ~ "_escaped_fragment_|prerender=1") {
            		set $prerender 1;
       		}
        	if ($http_user_agent ~ "Prerender") {
            		set $prerender 0;
        	}
 
        	if ($prerender = 1) {
			add_header  X-Prerender  $host$request_uri;
            		rewrite .* /$scheme://$host$request_uri? break;
            		proxy_pass http://render;
        	}
        	if ($prerender = 0) {
            		rewrite .* /index.html break;
        	}
    	}
}