# Environment Variables | Name | Default Value | Description | | ---- | ------------- | ----------- | | DISABLE_INSTALLATION_METRICS | *not set* | Per default installations are [publishing](./installation.metrics.md) their existence | | SECRET_KEY | `changeMe` | JWT Secret for authentication | | CLI | *automatically* | activates pretty print for log output | | NODE_ENV | `production` | | | HIDE_CONTRIB | `false` | decide if backlings to ohmyform should be added | | SIGNUP_DISABLED | `false` | if users can sign up | | LOGIN_NOTE | *not set* | Info box on top of login screen | ## Mailing | Name | Default Value | Description | | ---- | ------------- | ----------- | | MAILER_URI | `smtp://localhost:1025` | [Mail Connection](https://nodemailer.com/smtp/) | | MAILER_FROM | `OhMyForm ` | Default From path, make sure that your mail server supports the given from addres | ## Database Variables | Name | Default Value | Description | | ---- | ------------- | ----------- | | DB_URI | `sqlite://data.sqlite` | url in the format `TYPE://USER:PASS@HOST:PORT/NAME?EXTRA` ([read more](https://typeorm.io/#/connection-options/common-connection-options)) | | DB_TABLE_PREFIX | *empty* | prefix all tables if used within same database as other applications. | | DB_LOGGING | `false` | if `true` all db interactions will be logged to stdout | | DB_MIGRATE | `true` | can be used in load balanced environments to only allow one container to perform migrations / manually execute migrations