I need you.

I'd like to know what is the current state of the art regarding the use of serverless paradigm for API endpoints.

Context: We currently use Google Cloud Functions for our API. Our startup is young, and just the 2 cofounders are working on it. Our product is a consumer iOS app. The backend is something we don't have a lot of time to dedicate yet. ~1k DAU ~5k Daily API calls, Traffic spread between US, Europe, East Asia, Australia

Over a classic webserver deployed on Heroku/EC2,

Pros

- easy to deploy

- easy to maintain

- easy to setup

Cons

- cold starts are becoming really long (~4/6 seconds)

- we setup a pgbouncer to connect to Postgres instead of a simple Pooling client (and it will be more complicated for geo dns?)

What do you think?