Gitlab with Open API

Hi , Actually this is not specific to Swagger. This query is about how to use this open API files to share to client.

This is my use case , we will have open api files(split in to folders for maintainability ) in git lab private repo.

How do i share the open api to the consumers of the service as i can't give access to the private repo ? 

Our plan is to use AWS api gateway but api gateway is not capable handling folders or multi files.

Can anyone shed some light on this ?

thanks,

Vel