Build a full-text search feature using Algolia and Cloud Firestore to return fast, sophisticated search results to your Angular app https://angularfirebase.com/lessons/algolia-firestore-quickstart-with-firebase-cloud-functions/
– Algolia https://www.algolia.com/press#resources
– Firestore https://firebase.google.com/docs/firestore/
– InstantSearch https://community.algolia.com/instantsearch.js/