.env.sample -

# Port for the database. Default Postgres port is 5432. DB_PORT=5432

Check that all required keys in .env.sample exist on the deployment environment (without exposing values). .env.sample

STRIPE_SECRET_KEY=pk_test_placeholder SENDGRID_API_KEY=SG.dummy-key # Port for the database

# This is a template! Replace these with your actual keys. PORT=3000 DATABASE_URL=mongodb://localhost:27017/myapp STRIPE_API_KEY=your_key_here Use code with caution. Copied to clipboard The Moral of the Story .env.sample file (sometimes called .env.example ) serves three vital purposes: The Blueprint: .env.sample