Your speaking out of my heart.
Ive developing a flutter app and I started out using Firebase for everything and did most of the database work with firestore on the client side.
Problem with this approach is that if you have write critical tasks on the client side users which do not update their app will use deprecated formats and apis.
Solution was to use Firebase functions to outsource all writes to the serverside but then I had to notice how hard it is to manage a large set of firebase functions. At times we had 80. Then you have to deal with deployment and management of these functions to make them effeciently bc. functions have cold start if not called frequently. Calling functions over http was super slow even in prod with 10k users.
Happens to be that I deployed to much files but this is another problem. The documentation is so basic and suggest so many bad practices you have to rely on 3rd party information for functions and deployment.
Long story short I am now running AppEngine with NestJS using Firebase to handle all write critical tasks and use Firestore in the frontend to read only.
Functions do background tasks likes counters and copying data.
Thats the reason why I am now thinking of moving away from Firestore because it boasts about how easy it is but in the end its just another database with less query capability then its competitors.
For almost all queries you have to create indices but there are no tools to manage indices and check wich indices you actually need so it is very hard to track for it and it is meant like this because you pay for indices.
Also you will reach the limit of firestory very early requiring you to use functions and other workarounds to generate collections because of limited query capability.
After all this hassle I might have just use SQL.
Never the less firebase still have done its part into quickstarting the project and get a working production version in 3 months so it has its place and firebase auth is still nice.
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Your speaking out of my heart.
Ive developing a flutter app and I started out using Firebase for everything and did most of the database work with firestore on the client side.
Problem with this approach is that if you have write critical tasks on the client side users which do not update their app will use deprecated formats and apis.
Solution was to use Firebase functions to outsource all writes to the serverside but then I had to notice how hard it is to manage a large set of firebase functions. At times we had 80. Then you have to deal with deployment and management of these functions to make them effeciently bc. functions have cold start if not called frequently. Calling functions over http was super slow even in prod with 10k users.
Happens to be that I deployed to much files but this is another problem. The documentation is so basic and suggest so many bad practices you have to rely on 3rd party information for functions and deployment.
Long story short I am now running AppEngine with NestJS using Firebase to handle all write critical tasks and use Firestore in the frontend to read only.
Functions do background tasks likes counters and copying data.
Thats the reason why I am now thinking of moving away from Firestore because it boasts about how easy it is but in the end its just another database with less query capability then its competitors.
For almost all queries you have to create indices but there are no tools to manage indices and check wich indices you actually need so it is very hard to track for it and it is meant like this because you pay for indices.
Also you will reach the limit of firestory very early requiring you to use functions and other workarounds to generate collections because of limited query capability.
After all this hassle I might have just use SQL.
Never the less firebase still have done its part into quickstarting the project and get a working production version in 3 months so it has its place and firebase auth is still nice.