Nginx configuration file for WSO2 GReg cluster

greg.conf

upstream publisherhttp{
      ip_hash;
 
      server <ip-address-publisher1>:9763;
      server <ip-address-publisher2>:9763;
}
upstream publisherhttps{
      ip_hash;
 
      server <ip-address-publisher1>:9443;
      server <ip-address-publisher1>:9443;
}
upstream storehttp{
      ip_hash;
 
      server <ip-address-store1>:9763;
      server <ip-address-store2>:9763;
}
upstream storehttps{
      ip_hash;
 
      server <ip-address-store1>:9443;
      server <ip-address-store2>:9763;
}


server {
      listen 443;
      server_name publisher.wso2.com;

      location / {
              proxy_set_header X-Forwarded-Host $host;
              proxy_set_header X-Forwarded-Server $host;
              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
              proxy_set_header Host $http_host;
              proxy_read_timeout 5m;
              proxy_send_timeout 5m;
              proxy_next_upstream error timeout invalid_header http_500;
              proxy_connect_timeout 2;
              proxy_pass https://publisherhttps$request_uri;
        }

      ssl on;
      ssl_certificate /etc/nginx/ssl/gregpublisher.crt;
      ssl_certificate_key /etc/nginx/ssl/gregpublisher.key;
}
server {
      listen 80;
      server_name publisher.wso2.com;

      location / {
              proxy_set_header X-Forwarded-Host $host;
              proxy_set_header X-Forwarded-Server $host;
              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
              proxy_set_header Host $http_host;
              proxy_read_timeout 5m;
              proxy_send_timeout 5m;
              proxy_next_upstream error timeout invalid_header http_500;
              proxy_connect_timeout 2;
              proxy_pass http://publisherhttp$request_uri;
        }

}
server {
      listen 443;
      server_name store.wso2.com;

      location / {
              proxy_set_header X-Forwarded-Host $host;
              proxy_set_header X-Forwarded-Server $host;
              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
              proxy_set_header Host $http_host;
              proxy_read_timeout 5m;
              proxy_send_timeout 5m;
              proxy_next_upstream error timeout invalid_header http_500;
              proxy_connect_timeout 2;
              proxy_pass https://storehttps$request_uri;
        }

      ssl on;
      ssl_certificate /etc/nginx/ssl/gregstore.crt;
      ssl_certificate_key /etc/nginx/ssl/gregstore.key;
}
server {
      listen 80;
      server_name store.wso2.com;

      location / {
              proxy_set_header X-Forwarded-Host $host;
              proxy_set_header X-Forwarded-Server $host;
              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
              proxy_set_header Host $http_host;
              proxy_read_timeout 5m;
              proxy_send_timeout 5m;
              proxy_next_upstream error timeout invalid_header http_500;
              proxy_connect_timeout 2;
              proxy_pass http://storehttp$request_uri;
        }

}