DatabaseURL not present in firebase config for web app

[harshshinde07]

[REQUIRED] Describe your environment

• Operating System version: Windows 10
• Browser version: Google Chrome Version 87.0.4280.88
• Firebase SDK version: _____
• Firebase Product: database

[REQUIRED] Describe the problem

Database URL is not provided when creating a new Firebase project from console

Steps to reproduce:

Create a new Firebase project and Add Firebase to your web app.
The firebase config created does not have databaseUrl parameter

Screenshot:

[hsubox76]

I believe you shouldn't need one: #3650 (comment)

But I tried creating a test project and although it didn't initially show up in the config, after I went to the Realtime Database tab and clicked to create a database, the databaseURL property showed up in my web app config in the console.

[davidstackio]

I noticed this too today. This change doesn't seem to be documented anywhere except here on GitHub. This is a minor problem for me since I'm using CloudBuild environment variables, and my code expects a value for the databseURL. That said, I don't use the realtime database (only Firestore), so I just left the databseURL property as an empty string and that seems to work. I'll have to refactor my code to remove this value as expected since I'm not using it anyway.

EDIT: As @hsubox76 described, when I created a Realtime Database, the databseURL property showed up in my web app config in the console. So I think this is reasonable behavior.

[harshshinde07]

Hi, leaving the databaseUrl property empty doesn't work for me. I'm using 8.2.0 version of the firebase. Following is the error text:

@firebase/database: FIREBASE FATAL ERROR: Cannot parse Firebase url. Please use https://<YOUR FIREBASE>.firebaseio.com 

EDIT:
As @hsubox76 suggested, I tried creating a realtime database and copying the URL from there. It seems to work but isn't able to retrieve previous data that is present in firestore.

Thanks.

[katowulf]

Realtime database is not Firestore. You can't retrieve data in Firestore using a Realtime Database URL.

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