| CLIENT_HOST | Required | string | Frontend Host | |
| JWT_SECRET | Required | string | JWT secret | |
| DB_TYPE | Optional | string | Specify DB to use | MongoDB | FakeDB |
| DB_CONNECTION_STRING | Required | string | Specifies URL for MongoDB Database | |
| PORT | Optional | integer | Specifies Port for Server | |
| LOGIN_PAGE_URL | Required | string | Login url to be used in emailing service | |
| REDIS_HOST | Required | string | Host address for Redis database | |
| REDIS_PORT | Required | integer | Port for Redis database | |
| TOKEN_TTL | Optional | string | Time for token to live | In vercel/ms format https://github.com/vercel/ms |
| PAGESPEED_API_KEY | Optional | string | API Key for PageSpeed requests | |
| SYSTEM_EMAIL_HOST | Required | string | Host to send System Emails From | |
| SYSTEM_EMAIL_PORT | Required | number | Port for System Email Host | |
| SYSTEM_EMAIL_ADDRESS | Required | string | System Email Address | |
| SYSTEM_EMAIL_PASSWORD | Required | string | System Email Password | |