Implementing Google OAuth2 in your website

Photo generated with ChatGPT In this post we’ll see how to integrate Google Sign-In (OAuth 2.0) into your website, from the configuration in Google Cloud to handling the callback in your backend. Prerequisites Google account A web project with a backend (for example, Node/Express, Java/Spring, Python/Flask) HTTPS in production (for local development we’ll use http://localhost ) Step 1: Create a…