End-to-End App Server Migration, app store testing

I am moving my production environment to a freshly provisioned Droplet on DigitalOcean and need the entire mobile stack (Android + iOS + admin panel) to follow along smoothly. You will start by spinning up the new server, hardening it, and configuring it for the application... (Budget: $750 - $1500 USD, Jobs: Android, API Development, App Store Optimization, Cloud Computing, DevOps, DigitalOcean, iOS Development, iPhone, Linux, Mobile App Development)