Nginx Setting up nginx amplify

Trying to set up nginx amplify. Did all the process right. The only issue I am facing is in the last step where I need to do these.

Code:

1. The access.log log format should include an extended set of NGINX variables.
2. The error.log log level should be set to warn.

I have already installed fail2ban therefore my domain vhost looks like this

Code:

access_log /home/nginx/domains/domain.com/log/access.log;
  error_log /home/nginx/domains/domain.com/log/error.log;

How to get it done? Also do I need to setup these

Code:

1. The access.log log format should include an extended set of NGINX variables.
2. The error.log log level should be set to warn.

in vhostconf too?

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So it won't matter much in the monitoring of nginx?