Nginx Sticky Config File

# we're in the http context here
map $http_upgrade $connection_upgrade {
  default upgrade;
  ''      close;
}

################################################
#  Load Balancer
################################################
upstream backend {
    sticky path=/;
    server 10.1.1.1;
    server 10.2.2.2;
}

server {
    listen 80;
    listen [::]:80;
    server_name www.abc.com www.ddp.abc.com;

    location / {
        proxy_pass http://backend;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_redirect off;
    }
}