angular firebase

                                    import { AngularFirestore } from '@angular/fire/firestore';

@Component(...)
export class SomeComponent {

  constructor(private db: AngularFirestore) {
      const things = db.collection('things').valueChanges();
      things.subscribe(console.log);
  }
}

                                    look for other frameworks before you decide

                                    import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';

// 1. Import the libs you need
import { AngularFireModule } from '@angular/fire';
import { AngularFirestoreModule } from '@angular/fire/firestore';
import { AngularFireStorageModule } from '@angular/fire/storage';
import { AngularFireAuthModule } from '@angular/fire/auth';

// 2. Add your credentials from step 1
const config = {
    apiKey: '<your-key>',
    authDomain: '<your-project-authdomain>',
    databaseURL: '<your-database-URL>',
    projectId: '<your-project-id>',
    storageBucket: '<your-storage-bucket>',
    messagingSenderId: '<your-messaging-sender-id>'
};

@NgModule({
  imports: [
    BrowserModule,
    // 3. Initialize
    AngularFireModule.initializeApp(config),
    AngularFirestoreModule, // firestore
    AngularFireAuthModule, // auth
    AngularFireStorageModule // storage
  ],
  declarations: [ AppComponent ],
  bootstrap: [ AppComponent ]
})
export class AppModule {}

                                    npm install firebase @angular/fire