Using nginx to proxy to an AWS internal ELB

nginx.conf

daemon off;

worker_processes auto;

events { worker_connections 1024; }

http {

sendfile on;

    server {
        ### server port and name ###
        listen       80  default_server;
        server_name  _;

        resolver 8.8.8.8 valid=10s;
        resolver_timeout 10s;

        ### log files ###
        access_log      logs/access.log;
        error_log       logs/error.log;

        location / {
                set $albinternal "internal-ALB-name-123456789.eu-west-1.elb.amazonaws.com";
                proxy_pass  http://$albinternal;

                ### force timeouts if one of backend is died ##
                proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;

                ### Set headers ####
                proxy_set_header        Accept-Encoding   "";
                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;
                add_header              Front-End-Https   on;

                ### By default we don't want to redirect it ####
                proxy_redirect     off;
        }
    }

}