At first, let's set secrets of our Firebase. Go to and find "Add app":
Then, choose "web app" and click next.
You should get secret keys of your app. Copy them to src/config/config.ts
export const firebaseConfig = {
apiKey: "YOUR_API_KEY",
authDomain: "YOUR_AUTH_DOMAIN",
projectId: "YOUR_PROJECT_ID",
storageBucket: "YOUR_STORAGE_BUCKET",
messagingSenderId: "YOUR_MESSAGING_SENDER_ID",
appId: "YOUR_APP_ID",
measurementId: "YOUR_MEASUREMENT_ID",
};