Firestore-RESTAPI

Simple REST API with Google Cloud Firestore and Node JS

Pre-requirements

Firebase account
Firebase-tool
Postman
NodeJS

Creating project in Google Firebase

Login to Firebase Console and create new project

Install Firebase-tool

$npm install -g firebase-tools

Initialize Firebase Project

Create project directory

$ mkdir firebase_restapi_backend

Login

$ cd firebase_restapi_backend
$ firebase login

From the termnial window, you will be redirected to Google Authentication window. To use Google Cloud Firestore, you need Google account authentication.

Initialize project

$ cd firebase_restapi_backend
$ firebase init

Project Setup

? Please select an option: Use an existing project
? Select a default Firebase project for this directory: liq-bot (Liquidation Bot)
i  Using project liq-bot (Liquidation Bot)

Function Setup

A functions directory will be created in your project with a Node.js package pre-configured. Functions can be deployed with firebase deploy.

? What language would you like to use to write Cloud Functions? JavaScript
? Do you want to use ESLint to catch probable bugs and enforce style? Yes
✔  Wrote functions/package.json
✔  Wrote functions/.eslintrc.json
✔  Wrote functions/index.js
✔  Wrote functions/.gitignore
? Do you want to install dependencies with npm now? Yes

Set Node App

Install Express and Cors

$npm i express
$npm i cors

Generate & Download Private Key

Go to Firebase Console > Settings > Service Accounts > Click Generate new private key Also, copy the Admin SDK configuration snippet code and paste in your functions > index.js

Run Server

$ cd functions
$ npm run serve

Above will start Function Emulator.

  "scripts": {
    "lint": "eslint .",
    "serve": "firebase emulators:start --only functions",
    "shell": "firebase functions:shell",
    "start": "npm run shell",
    "deploy": "firebase deploy --only functions",
    "logs": "firebase functions:log"
  }

Test API with Postman

Confirm Test Data on Firestore

Deploy Functions To Firebase

$ cd functions
$ npm run deploy

cryptopixelfrog/Firestore-RESTAPI