nginx.conf

# Check the /etc/hosts file too.

server {
    # The servers are distinguished by the paths
    # Domain is same, but paths are different
    # Supports request of the urls:
    # http://prodapp.com/nodehost/hostandtime
    # http://prodapp.com/node01/hostandtime
    # http://prodapp.com/node02/hostandtime

    server_name  prodapp.com;
    location /nodehost/ {
        rewrite ^/nodehost(.*) $1 break;
        proxy_pass http://127.0.0.1:4000;
    }

    location /node01/ {
        rewrite ^/node01(.*) $1 break;
        proxy_pass http://127.0.0.1:8001;
    }

    location /node02/ {
        rewrite ^/node02(.*) $1 break;
        proxy_pass http://127.0.0.1:8002;
    }
}

# Different domains for each of the servers.
# nodehost.prodapp.com node01.prodapp.com node02.prodapp.com

server {
    listen       80;
    server_name  nodehost.prodapp.com;

    location / {
        proxy_pass http://127.0.0.1:4000;
    }
}

server {
    listen       80;
    server_name  node01.prodapp.com;

    location / {
        proxy_pass http://127.0.0.1:8001;
    }
}

server {
    listen       80;
    server_name  node02.prodapp.com;

    location / {
        proxy_pass http://127.0.0.1:8002;
    }
}

# Load balancing
upstream loadbalancedapp {
    server 127.0.0.1:8001;
    server 127.0.0.1:8002;
}

server {
    #listen       80;
    server_name  loadbalanced.prodapp.com;
    location / {
        proxy_pass http://loadbalancedapp;
    }
}