user  www-data;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;

events { worker_connections 1024; }

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$http_host" "$host" "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    log_format json '{"@marker": ["nginx","access-log"],'
                  '"date_access": "$time_iso8601", '
                  '"network.client_ip": "$remote_addr", '
                  '"http.ident": "$host", '
                  '"network.bytes_write": $body_bytes_sent, '
                  '"http.response_time": "$request_time", '
                  '"http.status_code": $status, '
                  '"http.request": "$request_uri", '
                  '"http.verb": "$request_method", '
                  '"http.referer": "$http_referer", '
                  '"http.useragent": "$http_user_agent", '
                  '"message": "$request"}';

    access_log  /var/log/nginx/access.log  json;

    sendfile        on;

    keepalive_timeout  65;

    include /etc/nginx/conf.d/*.conf;



# Load Balancer
    upstream toptal {
        ip_hash;
        server toptal_app_1;
        server toptal_app_2;
    }


    server {
        listen 80;

        location / {
            proxy_pass http://toptal/;
            proxy_read_timeout  90;
            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-NginX-Proxy true;
            proxy_redirect off;

        }
   }
}