A simple Node.js application that provides user authentication using Google OAuth 2.0 through Firebase and stores user data in MongoDB. Features include login and signup via email and password, Google sign-in/sign-up, and password reset functionality.

• Email and password login and signup.
• Google OAuth 2.0 authentication.
• Password reset via email.
• User data stored in MongoDB.
• Session management with express-session.

• Node.js and npm installed.
• MongoDB server running locally or a MongoDB Atlas account.
• Firebase project set up with OAuth 2.0 credentials.

git clone https://github.com/iamRahul21/google-auth-mongodb-login.git
cd google-auth-mongodb-login

Create a .env file in the root directory with the following content:

PORT=3000
MONGODB_URI=your-mongodb-uri
FIREBASE_API_KEY=your-firebase-api-key
FIREBASE_AUTH_DOMAIN=your-firebase-auth-domain
FIREBASE_PROJECT_ID=your-firebase-project-id
FIREBASE_STORAGE_BUCKET=your-firebase-storage-bucket
FIREBASE_MESSAGING_SENDER_ID=your-firebase-messaging-sender-id
FIREBASE_APP_ID=your-firebase-app-id
FIREBASE_MEASUREMENT_ID=your-firebase-measurement-id

npm install

node server.js

Launch the application by serving index.html through a local live server or by opening the file directly in your browser.