<table><thead><tr><th width="239">ENV Variable Name</th><th width="149">Required/Optional</th><th width="116">Type</th><th>Description</th><th>Accepted Values</th></tr></thead><tbody><tr><td>CLIENT_HOST</td><td>Required</td><td><code>string</code></td><td>Frontend Host</td><td></td></tr><tr><td>JWT_SECRET</td><td>Required</td><td><code>string</code></td><td>JWT secret</td><td></td></tr><tr><td>REFRESH_TOKEN_SECRET</td><td>Required</td><td><code>string</code></td><td>Refresh JWT secret</td><td></td></tr><tr><td>DB_TYPE</td><td>Optional</td><td><code>string</code></td><td>Specify DB to use</td><td><code>MongoDB | FakeDB</code></td></tr><tr><td>DB_CONNECTION_STRING</td><td>Required</td><td><code>string</code></td><td>Specifies URL for MongoDB Database</td><td></td></tr><tr><td>PORT</td><td>Optional</td><td><code>integer</code></td><td>Specifies Port for Server</td><td></td></tr><tr><td>LOGIN_PAGE_URL</td><td>Required</td><td><code>string</code></td><td>Login url to be used in emailing service</td><td></td></tr><tr><td>REDIS_HOST</td><td>Required</td><td><code>string</code></td><td>Host address for Redis database</td><td></td></tr><tr><td>REDIS_PORT</td><td>Required</td><td><code>integer</code></td><td>Port for Redis database</td><td></td></tr><tr><td>TOKEN_TTL</td><td>Optional</td><td><code>string</code></td><td>Time for token to live</td><td>In vercel/ms format https://github.com/vercel/ms</td></tr><tr><td>REFRESH_TOKEN_TTL</td><td>Optional</td><td><code>string</code></td><td>Time for refresh token to live</td><td></td></tr><tr><td>PAGESPEED_API_KEY</td><td>Optional</td><td><code>string</code></td><td>API Key for PageSpeed requests</td><td></td></tr><tr><td>SYSTEM_EMAIL_HOST</td><td>Required</td><td><code>string</code></td><td>Host to send System Emails From</td><td></td></tr><tr><td>SYSTEM_EMAIL_PORT</td><td>Required</td><td><code>number</code></td><td>Port for System Email Host</td><td></td></tr><tr><td>SYSTEM_EMAIL_ADDRESS</td><td>Required</td><td><code>string</code></td><td>System Email Address</td><td></td></tr><tr><td>SYSTEM_EMAIL_PASSWORD</td><td>Required</td><td><code>string</code></td><td>System Email Password</td><td></td></tr></tbody></table>