twenty/packages/twenty-docs/docs/start/self-hosting/environment-variables.mdx

---
title: Environment Variables
sidebar_position: 1
sidebar_custom_props:
  icon: TbVariable
---

import OptionTable from '@site/src/theme/OptionTable'
import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';

## Frontend

<OptionTable options={[
    ['REACT_APP_SERVER_BASE_URL', 'http://localhost:3000', 'Url of backend server'],
    ['REACT_APP_SERVER_AUTH_URL', 'http://localhost:3000/auth', 'Auth Url of backend server'],
    ['REACT_APP_SERVER_FILES_URL', 'http://localhost:3000/files', 'Files Url of backend server'],
    ['GENERATE_SOURCEMAP', 'false', 'Generate source maps for debugging'],
    ['CHROMATIC_PROJECT_TOKEN', '', 'Chromatic token used for CI'],
    ]}></OptionTable>


## Backend

### Config

<OptionTable options={[
    ['PG_DATABASE_URL', 'postgres://user:pw@localhost:5432/default?connection_limit=1', 'Database connection'],
    ['REDIS_HOST', '127.0.0.1', 'Redis connection host'],
    ['REDIS_PORT', '6379', 'Redis connection port'],
    ['FRONT_BASE_URL', 'http://localhost:3001', 'Url to the hosted frontend'],
    ['SERVER_URL', 'http://localhost:3000', 'Url to the hosted server'],
    ['PORT', '3000', 'Port'],
    ]}></OptionTable>

### Tokens

<OptionTable options={[
    ['ACCESS_TOKEN_SECRET', '<random>', 'Secret used for the access tokens'],
    ['ACCESS_TOKEN_EXPIRES_IN', '30m', 'Access token expiration time'],
    ['LOGIN_TOKEN_SECRET', '<random>', 'Secret used for the login tokens'],
    ['LOGIN_TOKEN_EXPIRES_IN', '15m', 'Login token expiration time'],
    ['REFRESH_TOKEN_SECRET', '<random>', 'Secret used for the refresh tokens'],
    ['REFRESH_TOKEN_EXPIRES_IN', '90d', 'Refresh token expiration time'],
    ['REFRESH_TOKEN_COOL_DOWN', '1m', 'Refresh token cooldown'],
    ['API_TOKEN_EXPIRES_IN', '1000y', 'Api token expiration time'],
    ]}></OptionTable>

### Auth

<OptionTable options={[
    ['MESSAGING_PROVIDER_GMAIL_ENABLED', 'false', 'Enable Gmail API connection'],
    ['MESSAGING_PROVIDER_GMAIL_CALLBACK_URL', '', 'Gmail auth callback'],
    ['AUTH_GOOGLE_ENABLED', 'false', 'Enable Goole SSO login'],
    ['AUTH_GOOGLE_CLIENT_ID', '', 'Google client ID'],
    ['AUTH_GOOGLE_CLIENT_SECRET', '', 'Google client secret'],
    ['AUTH_GOOGLE_CALLBACK_URL', '', 'Google auth callback'],
    ['FRONT_AUTH_CALLBACK_URL', 'http://localhost:3001/verify ', 'Callback used for Login page'],
    ['IS_SIGN_UP_DISABLED', 'false', 'Disable sign-up'],
    ['PASSWORD_RESET_TOKEN_EXPIRES_IN', '5m', 'Password reset token expiration time'],
    ]}></OptionTable>

### Email

<OptionTable options={[
    ['EMAIL_FROM_ADDRESS', 'contact@yourdomain.com', 'Global email From: header used to send emails'],
    ['EMAIL_FROM_NAME', 'John from YourDomain', 'Global name From: header used to send emails'],
    ['EMAIL_SYSTEM_ADDRESS', 'system@yourdomain.com', 'Email address used as a destination to send internal system notification'],
    ['EMAIL_DRIVER', 'logger', "Email driver: 'logger' (to log emails in console) or 'smtp'"],
    ['EMAIL_SMTP_HOST', '', 'Email Smtp Host'],
    ['EMAIL_SMTP_PORT', '', 'Email Smtp Port'],
    ['EMAIL_SMTP_USER', '', 'Email Smtp User'],
    ['EMAIL_SMTP_PASSWORD', '', 'Email Smtp Password'],
  ]}></OptionTable>

#### Email SMTP Server configuration examples

<Tabs>

  <TabItem value="Gmail" label="Gmail" default>

  You will need to provision an [App Password](https://support.google.com/accounts/answer/185833).
  - EMAIL_SMTP_HOST=smtp.gmail.com
  - EMAIL_SERVER_PORT=465
  - EMAIL_SERVER_USER=gmail_email_address
  - EMAIL_SERVER_PASSWORD='gmail_app_password'

  </TabItem>

  <TabItem value="Office365" label="Office365">

    Keep in mind that if you have 2FA enabled, you will need to provision an [App Password](https://support.microsoft.com/en-us/account-billing/manage-app-passwords-for-two-step-verification-d6dc8c6d-4bf7-4851-ad95-6d07799387e9).
    - EMAIL_SMTP_HOST=smtp.office365.com
    - EMAIL_SERVER_PORT=587
    - EMAIL_SERVER_USER=office365_email_address
    - EMAIL_SERVER_PASSWORD='office365_password'

  </TabItem>

  <TabItem value="Smtp4dev" label="Smtp4dev">

    **smtp4dev** is a fake SMTP email server for development and testing.
    - Run the smtp4dev image: `docker run --rm -it -p 8090:80 -p 2525:25 rnwood/smtp4dev`
    - Access the smtp4dev ui here: [http://localhost:8090](http://localhost:8090)
    - Set the following env variables:
      - EMAIL_SERVER_HOST=localhost
      - EMAIL_SERVER_PORT=2525

  </TabItem>

</Tabs>

### Storage

<OptionTable options={[
    ['STORAGE_TYPE', 'local', "Storage driver: 'local' or 's3'"],
    ['STORAGE_S3_REGION', '', 'Storage Region'],
    ['STORAGE_S3_NAME', '', 'Bucket Name'],
    ['STORAGE_S3_ENDPOINT', '', 'Use if a different Endpoint is needed (for example Google)'],
    ['STORAGE_LOCAL_PATH', '.local-storage', 'data path (local storage)'],
    ]}></OptionTable>

### Message Queue

<OptionTable options={[
    ['MESSAGE_QUEUE_TYPE', 'pg-boss', "Queue driver: 'pg-boss' or 'bull-mq'"],
    ]}></OptionTable>

### Logging

<OptionTable options={[
    ['LOGGER_DRIVER', 'console', "The logging driver can be: 'console' or 'sentry'"],
    ['LOG_LEVELS', 'error,warn', "The loglevels which are logged to the logging driver. Can include: 'log', 'warn', 'error'"],
    ['EXCEPTION_HANDLER_DRIVER', 'sentry', "The exception handler driver can be: 'console' or 'sentry'"],
    ['SENTRY_DSN', 'https://xxx@xxx.ingest.sentry.io/xxx', 'The sentry logging endpoint used if sentry logging driver is selected'],
    ]}></OptionTable>


### Data enrichment and AI

<OptionTable options={[
    ['OPENROUTER_API_KEY', '', "The API key for openrouter.ai, an abstraction layer over models from Mistral, OpenAI and more"]
    ]}></OptionTable>


### Support Chat

<OptionTable options={[
    ['SUPPORT_DRIVER', 'front', "Support driver ('front' or 'none')"],
    ['SUPPORT_FRONT_HMAC_KEY', '<secret>', 'Suport chat key'],
    ['SUPPORT_FRONT_CHAT_ID', '<id>', 'Support chat id'],
    ]}></OptionTable>

### Telemetry

<OptionTable options={[
    ['TELEMETRY_ENABLED', 'true', 'Change this if you want to disable telemetry'],
    ['TELEMETRY_ANONYMIZATION_ENABLED', 'true', 'Telemetry is anonymized by default, you probably don\'t want to change this'],
    ]}></OptionTable>

### Debug / Development

<OptionTable options={[
    ['DEBUG_MODE', 'true', 'Activate debug mode'],
    ['SIGN_IN_PREFILLED', 'true', 'Prefill the Signin form for usage in a demo or dev environment'],
    ]}></OptionTable>

### Workspace Cleaning

<OptionTable options={[
  ['WORKSPACE_INACTIVE_DAYS_BEFORE_NOTIFICATION', '', 'Number of inactive days before sending workspace deleting warning email'],
  ['WORKSPACE_INACTIVE_DAYS_BEFORE_DELETION', '', 'Number of inactive days before deleting workspace'],
  ]}></OptionTable>