worker_processes 1;

events { worker_connections 1024; }

http {

    sendfile on;

    # upstream storage {
    #     server clienta_nginx_1:8000;
    # }

    # upstream docker-apache {
    #     server apache:80;
    # }

    # resolver 127.0.0.11 valid=300s ipv6=off;
    # resolver_timeout 10s;

    # 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-Host $server_name;
    proxy_redirect    off;

    server {
        listen 80;
        server_name clienta.example.com;

        location / {
            # resolver 127.0.0.11 valid=5s ipv6=on;
            resolver 127.0.0.11 valid=5s ipv6=off;
            set $client clienta_nginx_1:8000;
            proxy_pass          http://$client;
            proxy_set_header    Host    localhost;
            # proxy_pass          http://clienta_nginx_1;
            # proxy_redirect      off;

            # error_log   /var/log/nginx/error.log;
            # access_log  /var/log/nginx/access.log;
        }
    }

}