Can vibe d leverage existing web technologies?

[Intersteller via Digitalmars-d-learn]

On Thursday, 15 September 2016 at 14:31:28 UTC, Martin 
Tschierschke wrote:
> On Tuesday, 13 September 2016 at 23:45:18 UTC, Intersteller 
> wrote:
>> vibe.d does not have much lateral support as the most commons 
>> web technologies do.  Can vibe.d leverage pre-existing techs 
>> such as php, ruby/rails, etc? Starting from scratch and having 
>> to build a robust and secure framework is really not the way 
>> to go.
>
> A good way to mix different technologies is to use a Apache or 
> nginx proxy on the same server, so you can start using vibe.d 
> for some parts and keep the rest at its place.
>
> Regards mt.

How is this done? How can it be done smoothly? I'm not sure how 
to partition the work load. While, say, some pages might be 
served from php, and others from vibe2, etc, it seems like it 
would be nightmare to maintain consistency and interactivity.