example My normal website address is ccc.com, in grandv2 version, can I publish admin on admin.ccc.com?

Well, yes it's possible. But it requires some customization.

First of all, thank you very much for your quick reply. I'm very excited about "issue #27" on Github. Can I publish these 3 structures (web, admin, vendor) as subdomains that come to mind first when I see this? Can you help me a little on how to do it? Thank you in advance for your contact.

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Talha Kaan wrote:

Drop us a line at Premium support form, we will find a suitable support subscription for you and will help you with the project customization.