Не работает проксирование на nginx

server{
    listen               80;
    server_name          domain_name;
 
    location / {
        proxy_read_timeout 120s;
        proxy_pass http://127.0.0.1:8007;
        proxy_set_header Host $host;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}