Follow us / lee.dev.5811 Setting up OAuth 2.0 - API Console Help - Google Support https://support.google.com/googleapi/... passport-google-oauth20 - Passport.js http://www.passportjs.org/packages/pa... passport-google-oauth20 - npm https://www.npmjs.com/package/passpor... Authenticate - Passport.js http://www.passportjs.org/docs/downlo... Documentation: OAuth - Passport.js http://www.passportjs.org/docs/oauth/ Documentation: Authenticate - Passport.js http://www.passportjs.org/docs/authen... Setting up OAuth 2.0 https://support.google.com/cloud/answ... Integrate Google Sign-In https://developers.google.com/identit... Server side Architecture • Brief understanding in Application Archite... Client side Architecture • Architecture for modular enterprise applic... To get more about JavaScript preparations / @jsuniv9197