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env

What to place in .env

What to locate in .env file

  • DO NOT ADD SECRETS TO THIS FILE.
    • This is a good place for defaults.
  • If you want to add secrets use .env.local instead.

File Naming Convention

# server_only_variable_from_env_local
.env.local

# server_only_development_variable
.env.development

# server_only_production_variable
.env.production
PRODUCTION_ENV_VARIABLE="server_only_production_variable"
NEXT_PUBLIC_PRODUCTION_ENV_VARIABLE="public_production_variable"

How to use .env

Definition in the .env file

KEY_NAME = secret_value;

Consuming the .env value in the codebase

envVar.key_name = process.env.KEY_NAME || envVar.key_name;

Missing .env results in undefined

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