Even if the integration is no longer available on Heroku, you can still startup a MongoDB hosted database and deploy it on one of the regions that Heroku uses for good latency (e.g. AWS Oregon for North America) https://www.dropbox.com/s/k2y2xbpoy95b09l/Pasted_Image_9_14_20__11_55_PM.png?dl=0

I really like how simple the Heroku interface is, how reliant their services are, and in general how great their CLI tools work.

The Azure control panel has grown to a point where it's very convoluted, and in general it's a bit more expensive than the rest. They also stopped their entrepreneur incentive program (Spark?) so there's little incentive to start something new on it.

Depending on what I'm building I usually go for: a) Vercel + Serverless functions if it's a React SPA b) Heroku, for NodeJS/Express + Postgress + Any FE framework you like c) DigitalOcean if I need full control of the server

That said... if latency is REALLY important then go with Azure. If you have tradeoffs, go for the ones that make your customer's experience better, even if you're annoyed at Azure's interface, or have to pay a few extra bucks

Hope that helps

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