If you want to have a fix for it, install and use mysql2 (instead of mysql) and use: 
<pre><code>npm un mysql &amp;&amp; npm i mysql2
</code></pre>and
 mysql = require('mysql2');

If you want to have a fix for it, install and use mysql2 (instead of mysql) and use: 


```
npm un mysql && npm i mysql2
``` 


and

 mysql = require('mysql2');

To resolve MySQL 8.0 - Client does not support authentication protocol requested by server; consider upgrading MySQL client