reetp
2
Worth giving a full report as per this.
All here.
And this.
You might not like docker but it is much more flexible 
[quote]there are alternatives available that are free and have more features while being easier to manage.
[/quote]
If you have paid support, use it.
If not the you’ll find most open source systems are the same. Pros & cons to them all, and you get what you pay for.
Pick your poison…