Can I use Firebase only for authentication?

Go to your firebase console, click the settings icons on the left, and select ‘Project settings’. Then go to the ‘Service Accounts’ tab. There, we will click ‘Generate new private key’, and store it in our client project under config/fbServiceAccountKey. json .

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You can use firebase to skip backend programming , or even user firebase to setup a nodejs backend (functions). The bad thing about not using a backend is security, you would need to master firebase security rules to completely protect data.

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