How to Deploy monolithic MERN application in App Platform

I have monolithic MERN application(Single GitLab Repository). I create app in DigitalOcean App-Platform(PRO PLAN - WEB Services). Now Deployed only react app part and its working well. My questions:

  1. When I’ll deploy backend (NodeJS) part, how I can run React and NodeJS together?
  2. How I can change my app service type(Static/Web Services/etc.) ?
  3. How I can change build/start scripts?
  4. How I can clear my app cache?
  5. How I can create alert when my app is down(not available)?

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Jon Friesen
DigitalOcean Employee
DigitalOcean Employee badge
November 2, 2022

👋 @FriendlyTealShark

Great questions, hopefully I can get you going here. Before I dive into your questions, we have a couple great (short) pieces that talk about deploying mono-repos:

Okay now to answer your questions:

  1. These will be two separate components, so your React will be deployed as a component (presumably a static site) and your NodeJS backend will be a web service.
  2. Component types cannot be changed after creation. If a change is needed the existing component will need to be deleted and recreated.
  3. Both build and run commands can be set in the UI and App Spec
  4. We don’t explicitly support clearing static site caches. A force rebuild which will trigger a CDN cache clear upon deployment.
  5. This isn’t built into App Platform, but we do have a service that provides real-time uptime and latency alerts.