To get your DSN, go to Sentry and click Project & Teans -> Any Project -> Settings -> Client Keys (DSN).
Copy your DSN and paste it in the .env file.
To get your AUTH_TOKEN, go to Sentry and select API KEYS from the dropdown menu -> Click “Create New Token” -> Give your token a name -> Select the scopes you want to give it -> Click “Generate Token”.
Copy your AUTH_TOKEN and paste it in the SENTRY_AUTH_TOKEN in the eas.json file.