upstream wsgi server localhost 8080 server localhost 8081 server local

upstream wsgi {
    server localhost:8080;
    server localhost:8081;
#    server localhost:8082;
#    server localhost:8083;
}

server {
    listen 90;
    server_name byteflow;
    location / {
        proxy_pass http://wsgi;
    }
}

upstream apache {
    server localhost:81;
    server localhost:82;
}

server {
    listen 90;
    server_name gtv;
    location / {
        proxy_pass http://apache;
    }
}