firebase hosting using .env for api key showing error > index.cjs.js:536 Uncaught FirebaseError: projectId must be a string in FirebaseApp.options

Question

i am using firebase hosting and put my firebase api key in .env. its works on localhost but when I deploy to the firebase hosting URL it keep showing the error below:

index.cjs.js:536 Uncaught FirebaseError: projectId must be a string in FirebaseApp.options

question from:https://stackoverflow.com/questions/65517117/firebase-hosting-using-env-for-api-key-showing-error-index-cjs-js536-uncaugh

Answer 1

Waitting for answers