Firebase admin initialized

index.ts

import * as firebaseAdmin from "firebase-admin";
import * as functions from "firebase-functions";
import express from "express";
import * as serviceAccount from "./serviceAccount.json";

const app = express();

const firebase = firebaseAdmin.initializeApp({
  credential: firebaseAdmin.credential.cert({
    projectId: serviceAccount.project_id,
    clientEmail: serviceAccount.client_email,
    privateKey: serviceAccount.private_key
  }),

  databaseURL: <YOUR_DATABASE_URL>
});

app.get("/", (req: express.Request, res: express.Response) => {
  res.send("Now we are live with the express server");
});


export const v1 = functions.https.onRequest(app);

tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "noImplicitReturns": true,
    "noUnusedLocals": true,
    "outDir": "lib",
    "sourceMap": true,
    "strict": true,
    "target": "es2017",
    "resolveJsonModule": true // add this line to resolve json modules
    "esModuleInterop" : true // add this for common js module resolution
  },
  "compileOnSave": true,
  "include": ["src"]
}