Starting the Application

• Run a MongoDB Container

  docker run -d -p 27017:27017 mongo

• Create a Secret

  openssl rand --base64 32

• Create OAuth Secret

  • Create a New Project: Go to the Google Cloud Console.

  • Configure OAuth Consent Screen

    • Navigate to API and Services: Go to API and Services and then click on OAuth consent screen.
    • Create OAuth Consent Screen: Select the appropriate user type and click Create.
    • Fill Out the Consent Screen Information:
      • App name: Enter your app name.
      • User support email: Enter a user support email.
      • Developer contact information: Enter the developer's contact information.
      • Click Save and Continue.

  • Create OAuth Credentials

    • Go to Credentials:
      • In the left-hand menu under API and Services, click on Credentials.
    • Create Credentials:
      • Click on Create credentials and select OAuth 2.0 Client IDs.
    • Add OAuth Client Details:
      • Name: Enter a name for your OAuth client.
      • Authorized JavaScript Origins:
        • Add your application's origin. Example: http://localhost:3000.
      • Authorized Redirect URIs:
        • Add the redirect URIs where Google will send responses to your authentication requests. Example: http://localhost:3000/api/auth/callback/google.
    • Save:
      • Click Create. You will be provided with a Client ID and Client Secret.

• Configure Environment Variables

  • Create a .env file: In the root directory of your Next.js application, create a file named .env.

  • Add the following environment variables:

    GOOGLE_CLIENT_ID=your-client-id
    GOOGLE_CLIENT_SECRET=your-client-secret
    MONGODB_URI="mongodb://localhost:27017/mydatabase"
    NEXTAUTH_URL=http://localhost:3000
    NEXTAUTH_URL_INTERNAL=http://localhost:3000
    NEXTAUTH_SECRET=your-generated-secret

• Start the Application

  npm install

  npm run dev