Nginx php-fpm docker real origin ip

default.conf

# you may use nginx with real ip module

server {
  # your host or vpc cidr_block or the docker gateway address ip
  set_real_ip_from 10.0.0.0/24;
  real_ip_header X-Forwarded-For;
  
  location ~ \.php$ {
    # you should pass the header X-Forwarded-For with the real ip from frontend, the AWS ELB/ALB pass by default
    fastcgi_param REMOTE_ADDR $http_x_forwarded_for;
  }
}