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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"AngularFireModule from @angular/fire/compat not providing the database appropriately.","articleBody":"So I've been facing an issue for the past couple of days where whenever I try to use the **AngularFireDatabase** database to read or write to my Firebase database my console gives me the error:\n\n\u003cimg width=\"548\" height=\"499\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/b7f3a2eb-3822-4c63-b7bc-b238fabdc8dc\" /\u003e\n\n`No provider found for Database2. Source: Standalone[_Homecomponent].`\n\nI'm currently running Angular 20.0 as AngularFire 21.0 is yet to be fully fleshed out.\n\nMy dummy service to test the data looks like this below:\n\n\u003cimg width=\"1456\" height=\"429\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/7800cf59-3d09-401e-9a90-e840726985c0\" /\u003e\n\n`import { Injectable } from '@angular/core';`\n`import { AngularFireDatabase } from '@angular/fire/compat/database';`\n`@Injectable({`\n`  providedIn: 'root'`\n`})`\n`export class Postingservice {`\n    `constructor(private afDb:AngularFireDatabase){}`\n    `viewPosts(){`\n        `return this.afDb.list(\"/posts\").valueChanges();`\n     `}`\n`}`\n\n\nI've both tried instantiating the afDb in the constructor and using the inject() function and neither have worked to any avail.\n\n\nHere also is my app.config.ts:\n\n\u003cimg width=\"1186\" height=\"505\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/af593c86-504d-4b81-9c7a-d80591410e75\" /\u003e\n\n`import { ApplicationConfig, provideBrowserGlobalErrorListeners, provideZoneChangeDetection } from '@angular/core';`\n`import { provideRouter } from '@angular/router';`\n\n`import { initializeApp, provideFirebaseApp } from '@angular/fire/app';`\n`import { getDatabase, provideDatabase } from '@angular/fire/database';`\n`import { routes } from './app.routes';`\n\n`export const appConfig: ApplicationConfig = {`\n ` providers: [`\n    `provideBrowserGlobalErrorListeners(),`\n    `provideZoneChangeDetection({ eventCoalescing: true }),`\n   ` provideRouter(routes), `\n    `provideFirebaseApp(() =\u003e `\n     ` initializeApp({`\n        `// FIREBASE CONFIG DATA`\n      `})),`\n      `provideDatabase(() =\u003e getDatabase()),`\n    `]`\n`};`\n\nI've even provided the provideDatabase() function even as it's not necessary for the AngularFireDatabase as a provider and likewise it's been to no avail...\n\nAnd my application is bootstrapping correctly as it runs just fine until I create an instance of the afDb database in a component where I then get the above stated error. Kindly help.\n\n","author":{"url":"https://github.com/Neymar110","@type":"Person","name":"Neymar110"},"datePublished":"2025-11-30T12:58:57.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/3683/angularfire/issues/3683"}