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Henry
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## Environment Variables 🔐
| Variable | Description | Required | Example |
| ----------------------------------------- | -------------------------------------------------------- | ------------------------ | ----------------------------------------------------------- |
| `POSTGRES_URL` | PostgreSQL connection URL | To use external database | `postgres://user:pass@localhost:5432/db` |
| `EMAIL_FROM` | Sender email address | For Email | `"Kan <hello@mail.kan.bn>"` |
| `SMTP_HOST` | SMTP server hostname | For Email | `smtp.resend.com` |
| `SMTP_PORT` | SMTP server port | For Email | `465` |
| `SMTP_USER` | SMTP username/email | No | `resend` |
| `SMTP_PASSWORD` | SMTP password/token | No | `re_xxxx` |
| `SMTP_SECURE` | Use secure SMTP connection (defaults to true if not set) | For Email | `true` |
| `NEXT_PUBLIC_DISABLE_EMAIL` | To disable all email features | For Email | `true` |
| `NEXT_PUBLIC_BASE_URL` | Base URL of your installation | Yes | `http://localhost:3000` |
| `BETTER_AUTH_SECRET` | Auth encryption secret | Yes | Random 32+ char string |
| `BETTER_AUTH_TRUSTED_ORIGINS` | Allowed callback origins | No | `http://localhost:3000,http://localhost:3001` |
| `GOOGLE_CLIENT_ID` | Google OAuth client ID | For Google login | `xxx.apps.googleusercontent.com` |
| `GOOGLE_CLIENT_SECRET` | Google OAuth client secret | For Google login | `xxx` |
| `DISCORD_CLIENT_ID` | Discord OAuth client ID | For Discord login | `xxx` |
| `DISCORD_CLIENT_SECRET` | Discord OAuth client secret | For Discord login | `xxx` |
| `GITHUB_CLIENT_ID` | GitHub OAuth client ID | For GitHub login | `xxx` |
| `GITHUB_CLIENT_SECRET` | GitHub OAuth client secret | For GitHub login | `xxx` |
| `OIDC_CLIENT_ID` | Generic OIDC client ID | For OIDC login | `xxx` |
| `OIDC_CLIENT_SECRET` | Generic OIDC client secret | For OIDC login | `xxx` |
| `OIDC_DISCOVERY_URL` | OIDC discovery URL | For OIDC login | `https://auth.example.com/.well-known/openid-configuration` |
| `TRELLO_APP_API_KEY` | Trello app API key | For Trello import | `xxx` |
| `TRELLO_APP_API_SECRET` | Trello app API secret | For Trello import | `xxx` |
| `S3_REGION` | S3 storage region | For file uploads | `WEUR` |
| `S3_ENDPOINT` | S3 endpoint URL | For file uploads | `https://xxx.r2.cloudflarestorage.com` |
| `S3_ACCESS_KEY_ID` | S3 access key | For file uploads | `xxx` |
| `S3_SECRET_ACCESS_KEY` | S3 secret key | For file uploads | `xxx` |
| `S3_FORCE_PATH_STYLE` | Use path-style URLs for S3 | For file uploads | `true` |
| `NEXT_PUBLIC_STORAGE_URL` | Storage service URL | For file uploads | `https://storage.kanbn.com` |
| `NEXT_PUBLIC_STORAGE_DOMAIN` | Storage domain name | For file uploads | `kanbn.com` |
| `NEXT_PUBLIC_AVATAR_BUCKET_NAME` | S3 bucket name for avatars | For file uploads | `avatars` |
| `NEXT_PUBLIC_ATTATCHMENTS_BUCKET_NAME` | S3 bucket name for attatchments | For file uploads | `attatchments` |
| `NEXT_PUBLIC_ALLOW_CREDENTIALS` | Allow email & password login | For authentication | `true` |
| `NEXT_PUBLIC_DISABLE_SIGN_UP` | Disable sign up | For authentication | `false` |
| `NEXT_PUBLIC_WHITE_LABEL_HIDE_POWERED_BY` | Hide “Powered by kan.bn” on public boards (self-host) | For white labelling | `true` |
| Variable | Description | Required | Example |
| ----------------------------------------- | --------------------------------------------------------- | ------------------------ | ----------------------------------------------------------- |
| `POSTGRES_URL` | PostgreSQL connection URL | To use external database | `postgres://user:pass@localhost:5432/db` |
| `EMAIL_FROM` | Sender email address | For Email | `"Kan <hello@mail.kan.bn>"` |
| `SMTP_HOST` | SMTP server hostname | For Email | `smtp.resend.com` |
| `SMTP_PORT` | SMTP server port | For Email | `465` |
| `SMTP_USER` | SMTP username/email | No | `resend` |
| `SMTP_PASSWORD` | SMTP password/token | No | `re_xxxx` |
| `SMTP_SECURE` | Use secure SMTP connection (defaults to true if not set) | For Email | `true` |
| `SMTP_REJECT_UNAUTHORIZED` | Reject invalid certificates (defaults to true if not set) | For Email | `false` |
| `NEXT_PUBLIC_DISABLE_EMAIL` | To disable all email features | For Email | `true` |
| `NEXT_PUBLIC_BASE_URL` | Base URL of your installation | Yes | `http://localhost:3000` |
| `BETTER_AUTH_SECRET` | Auth encryption secret | Yes | Random 32+ char string |
| `BETTER_AUTH_TRUSTED_ORIGINS` | Allowed callback origins | No | `http://localhost:3000,http://localhost:3001` |
| `GOOGLE_CLIENT_ID` | Google OAuth client ID | For Google login | `xxx.apps.googleusercontent.com` |
| `GOOGLE_CLIENT_SECRET` | Google OAuth client secret | For Google login | `xxx` |
| `DISCORD_CLIENT_ID` | Discord OAuth client ID | For Discord login | `xxx` |
| `DISCORD_CLIENT_SECRET` | Discord OAuth client secret | For Discord login | `xxx` |
| `GITHUB_CLIENT_ID` | GitHub OAuth client ID | For GitHub login | `xxx` |
| `GITHUB_CLIENT_SECRET` | GitHub OAuth client secret | For GitHub login | `xxx` |
| `OIDC_CLIENT_ID` | Generic OIDC client ID | For OIDC login | `xxx` |
| `OIDC_CLIENT_SECRET` | Generic OIDC client secret | For OIDC login | `xxx` |
| `OIDC_DISCOVERY_URL` | OIDC discovery URL | For OIDC login | `https://auth.example.com/.well-known/openid-configuration` |
| `TRELLO_APP_API_KEY` | Trello app API key | For Trello import | `xxx` |
| `TRELLO_APP_API_SECRET` | Trello app API secret | For Trello import | `xxx` |
| `S3_REGION` | S3 storage region | For file uploads | `WEUR` |
| `S3_ENDPOINT` | S3 endpoint URL | For file uploads | `https://xxx.r2.cloudflarestorage.com` |
| `S3_ACCESS_KEY_ID` | S3 access key | For file uploads | `xxx` |
| `S3_SECRET_ACCESS_KEY` | S3 secret key | For file uploads | `xxx` |
| `S3_FORCE_PATH_STYLE` | Use path-style URLs for S3 | For file uploads | `true` |
| `NEXT_PUBLIC_STORAGE_URL` | Storage service URL | For file uploads | `https://storage.kanbn.com` |
| `NEXT_PUBLIC_STORAGE_DOMAIN` | Storage domain name | For file uploads | `kanbn.com` |
| `NEXT_PUBLIC_AVATAR_BUCKET_NAME` | S3 bucket name for avatars | For file uploads | `avatars` |
| `NEXT_PUBLIC_ATTATCHMENTS_BUCKET_NAME` | S3 bucket name for attatchments | For file uploads | `attatchments` |
| `NEXT_PUBLIC_ALLOW_CREDENTIALS` | Allow email & password login | For authentication | `true` |
| `NEXT_PUBLIC_DISABLE_SIGN_UP` | Disable sign up | For authentication | `false` |
| `NEXT_PUBLIC_WHITE_LABEL_HIDE_POWERED_BY` | Hide “Powered by kan.bn” on public boards (self-host) | For white labelling | `true` |
See `.env.example` for a complete list of supported environment variables.