https://capacitor.ionicframework.com/docs/getting-started/dependencies
yarn build
First build the app and open in Xcode.
yarn open:ios
Then, click the play button to run your app on a Simulator or Device.
First build the app and open in Android Studio.
yarn open:android
Then, click the Run button to run your app on a device or emulator.
yarn start
Then, follow the iOS or Android instrucions above and run the app in the Xcode simulator or Android emulator. The app in your simulator or emulator will now be running from http://localhost:3000 as configured in capacitor.config.json. Any changes you make will be visible immediately.
Follow these instructions for creating a production build.
https://www.joshmorony.com/deploying-capacitor-applications-to-ios-development-distribution/
https://www.joshmorony.com/deploying-capacitor-applications-to-android-development-distribution/