원인 : dotenv 모듈 미설치 / 모듈 임포트 X 관련 자료 https://stackoverflow.com/questions/58673430/error-secretorprivatekey-must-have-a-value Error: secretOrPrivateKey must have a value I am using jwt to create token, but when i login via postman I get the error "Error: secretOrPrivateKey must have a value" from my console. I have attached my login code. Please anyone who can help... stackoverflow.com