nginxUsing Nginx as a load balancer

upstream backend {
  least_conn;
  server 1.2.3.4 weight=3;
  server 2.3.4.5 weight=1;
  server 4.3.2.1 backup;
}
server {
  location / {
    proxy_pass http://backend;
  }
}ctrl + cyoutubegithub

`upstream backend {` specify list of server to balance requests to	`weight=3` use this server 3 times more frequent as the following one (the one with `weight=1`)
`backup` this server will be only used when previous 2 servers are offline	`server {` virtual server configuration block
`location / {` default location block	`proxy_pass http://backend;` process request using load balancing
`least_conn` will pick server from the list with least active connections

Simple load balancing example
Configure load balancing health checks

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nginxUsing Nginx as a load balancer

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