For moving to MongoDB, I would recommend Stitch which uses Atlas to store data in the cloud. From Firebase, you should be able to export existing data as JSON, and them import into MongoDB with mongoimport . The docs have some create tutorials and example apps to get you started.25 Nis 2017
Read moreCan I migrate from Firebase?
How to initiate the move away from Firebase? The first thing to do is to replace the services you won’t be able to migrate later . Hosting or authentication are so tied up with Firebase that you need to migrate them right away. Just keep the realtime updates and database in Firebase, the rest should belong to you.
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