Invalid environment variables: DATABASE_URL: Required OPENAI_API_KEY: Required

[jeffery-zhang]

I have entered my API key and the database_url has a default value, but when I run dev, it still throws this error.
Invalid environment variables:
DATABASE_URL: Required
OPENAI_API_KEY: Required

[cfortuner]

You need to add this file

.env

DATABASE_URL=file:./db.sqlite
OPENAI_API_KEY=<YOUR KEY>