Step 1: Initial Supabase Config

  1. Go to Authentication ⇒ Providers
  2. Enable Sign in with Google

Step 2: Configure OAuth Screen

  1. Get the Client ID, Client Secret from https://console.cloud.google.com/

  2. First create a new project

  3. Click APIs & Services

  4. Configure Consent Screen

  5. Fill out the necessary information, but before to fill out the Authorized domain with Callback URL (for OAuth) (shown in image)

  6. Complete the configuration process using the details specific to your application, ensuring all required fields are accurately filled

Step 3: Create OAuth Keys

  1. Create OAuth Credentials

    • Click Credentials ⇒ + Create Credentials

  2. OAuth Client ID

  3. Click Application Type: Web application

  4. Add redirect URI from Supabase. Get the Callback URL from Supabase and insert it into Google's configuration (attached)

  5. Get the resulting Client ID and Client secret and add it to Supabase