gistfile1.txt

server {
        listen 80 default_server;
        listen [::]:80 default_server;

        location / {
          proxy_pass http://localhost:8000;
          proxy_http_version 1.1;
          proxy_set_header Upgrade $http_upgrade;
          proxy_set_header Connection 'upgrade';
          proxy_set_header Host $host;
          proxy_cache_bypass $http_upgrade;
        }   
}



server {
    listen 80;
    server_name dev.xinstancex.blueclouds.dev;
    location / {
        proxy_set_header Host $host;
        proxy_pass http://127.0.0.1:8002;
        proxy_redirect off;
    }
}

server {
    listen 80;
    server_name prod.xinstancex.blueclouds.dev;
    location / {
        proxy_set_header Host $host;
        proxy_pass http://127.0.0.1:8000;
        proxy_redirect off;
    }
}
server {
    listen 80;
    server_name stage.xinstancex.blueclouds.dev;
    location / {
        proxy_set_header Host $host;
        proxy_pass http://127.0.0.1:8001;
        proxy_redirect off;
    }
}