insert langserve into an existing fastapi?

[markat1]

So I can create a new app via langchain-cli for making langservice integrations with fastapi.

Though I want to implement langserve into an existing fastapi aplication.

Question: Is there a proper way to implement langserve into a existing fastapi without having to create a new app with langchain-cli?

[eyurtsev]

Yes, you can just use add_routes -- take a look at the examples associated with this repo