Environment Variables

Complete reference of all configurable environment variables. Customize your application settings and integrate with external services through a centralized configuration system.

Open Admin Panel API Reference

.env

# Payment Gateway

STRIPE_SECRET_KEY=sk_live_...

# Email Configuration

SMTP_HOST=smtp.example.com

SMTP_PORT=587

# Shipping Integration

PACKETA_API_KEY=pk_...

Total Variables

Variable Categories

Environment variables are organized into logical categories for easier management and discovery.

Payment Gateways

Stripe, GoPay, Comgate and other payment provider credentials

Email & SMTP

Email service configuration and SMTP server settings

Shipping & Logistics

Packeta and other shipping provider integrations

Smart Locks & IoT

TTLock and IoT device connectivity settings

Customer & Orders

Customer management and order processing settings

General

General application configuration and system settings

Variable Reference

Browse and search all available environment variables.

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Showing 44 of 44 variables

Variable Name	Category	Description	Type
`comgate_merchant_id`	Payment Gateways	Comgate payment gateway merchant ID used for creating online payment requests.	`string \| undefined`
`comgate_secret`	Payment Gateways	Comgate payment gateway secret key for signing requests and webhook verification.	`string \| undefined`
`customer_credit_default_expiration`	Customer & Orders	Default expiration duration in days for newly created customer account credit records.	`string \| undefined`
`default_send_from_email`	Email & SMTP	Default sender email address for transactional emails when no specific sender is configured.	`string \| undefined`
`default_send_from_email_marketing`	Email & SMTP	Override sender email address used specifically for marketing and newsletter emails.	`string \| undefined`
`emailer_footer`	Email & SMTP	Custom HTML footer content appended to all outgoing organisation emails.	`string \| undefined`
`emailer_layout`	Email & SMTP	Custom HTML email template wrapper with Handlebars variables: {{ htmlBody }}, {{ logoUrl }}, {{ footer }}.	`string \| undefined`
`emailer_logo_url`	Email & SMTP	URL of the organisation logo image displayed in the email layout header.	`string \| undefined`
`emailer_smtp_host`	Email & SMTP	SMTP server hostname for transactional email delivery.	`string \| undefined`
`emailer_smtp_password`	Email & SMTP	SMTP authentication password for transactional email delivery.	`string \| undefined`
`emailer_smtp_port`	Email & SMTP	SMTP server port for transactional email delivery (defaults to 587).	`string \| undefined`
`emailer_smtp_user`	Email & SMTP	SMTP authentication username for transactional email delivery.	`string \| undefined`
`emailer_marketing_smtp_host`	Email & SMTP	Separate SMTP server hostname for marketing and bulk email delivery.	`string \| undefined`
`emailer_marketing_smtp_port`	Email & SMTP	SMTP server port for marketing email delivery (defaults to 587).	`string \| undefined`
`emailer_marketing_smtp_user`	Email & SMTP	SMTP authentication username for marketing email delivery.	`string \| undefined`
`emailer_marketing_smtp_password`	Email & SMTP	SMTP authentication password for marketing email delivery.	`string \| undefined`
`emailer_newsletter_return_url`	Email & SMTP	URL to redirect users to after confirming their newsletter subscription.	`string \| undefined`
`gopay_client_id`	Payment Gateways	GoPay payment gateway OAuth2 client ID.	`string \| undefined`
`gopay_client_secret`	Payment Gateways	GoPay payment gateway OAuth2 client secret.	`string \| undefined`
`gopay_environment`	Payment Gateways	GoPay payment gateway environment selector ("sandbox" or "production").	`string \| undefined`
`gopay_goid`	Payment Gateways	GoPay merchant account identifier (GOID).	`string \| undefined`
`gopay_secure_key`	Payment Gateways	GoPay secure key for webhook signature verification and payment authentication.	`string \| undefined`
`payment_recurring_payment_enabled`	General	Set to "true" to enable automatic recurring subscription payment charging.	`string \| undefined`
`order_internal_notification_emails`	Email & SMTP	Comma-separated email addresses that receive internal order status notifications.	`string \| undefined`
`order_refund_strategy`	Customer & Orders	Default refund handling strategy for order cancellation (e.g. "credit", "bank_transfer").	`string \| undefined`
`order_accounting_mode`	Customer & Orders	Default accounting mode for order storno processing (e.g. "auto", "manual").	`string \| undefined`
`log_internal_notification_emails`	Email & SMTP	Comma-separated email addresses that receive internal system error notifications.	`string \| undefined`
`packeta_api_key`	Shipping & Logistics	Packeta (Zásilkovna) API key for pickup point branch synchronization.	`string \| undefined`
`packeta_api_password`	Shipping & Logistics	Packeta (Zásilkovna) API password for pickup point service authentication.	`string \| undefined`
`post_digest_enabled`	General	Set to "true" to enable automatic periodic newsletter digest of recent posts. Disabled by default.	`string \| undefined`
`post_digest_interval_days`	General	Interval in days between automatic digest newsletter sends (defaults to 14).	`string \| undefined`
`post_digest_last_sent_date`	General	ISO 8601 timestamp of the last successful digest send. Managed automatically by the system.	`string \| undefined`
`post_digest_subject`	General	Email subject template for digest newsletter. Supports {{ postCount }} and {{ intervalDays }} variables.	`string \| undefined`
`post_digest_intro_text`	General	Custom HTML intro text inserted before the article list in the digest newsletter email.	`string \| undefined`
`post_digest_locale`	General	Override locale for digest post selection (e.g. "cs", "en"). Falls back to organisation primary locale.	`string \| undefined`
`post_digest_max_posts`	General	Maximum number of posts to include in a single digest newsletter (defaults to 20).	`string \| undefined`
`stripe_merchant_id`	Payment Gateways	Stripe payment gateway merchant identifier.	`string \| undefined`
`stripe_secret`	Payment Gateways	Stripe API secret key for server-side payment processing.	`string \| undefined`
`ttlock_access_token`	Smart Locks & IoT	TTLock IoT smart lock OAuth2 access token (auto-refreshed with expiration).	`string \| undefined`
`ttlock_client_id`	Smart Locks & IoT	TTLock OAuth2 application client ID.	`string \| undefined`
`ttlock_client_secret`	Smart Locks & IoT	TTLock OAuth2 application client secret.	`string \| undefined`
`ttlock_password`	Smart Locks & IoT	TTLock account password (automatically converted to MD5 hash during authentication).	`string \| undefined`
`ttlock_refresh_token`	Smart Locks & IoT	TTLock OAuth2 refresh token for obtaining new access tokens when expired.	`string \| undefined`
`ttlock_username`	Smart Locks & IoT	TTLock account username for OAuth2 password grant authentication.	`string \| undefined`

Usage Guidelines

Follow these best practices when configuring environment variables.

Best Practices

Use only the predefined environment variable keys from this reference
Set values to non-empty strings or leave them undefined
Configure sensitive credentials through the admin panel only
Test all configuration changes in development environment first

Important Notes

All variables are optional - the system operates without them
Custom variable names are not supported - use documented keys only
Empty strings are treated as undefined values by the system
Some changes may require application restart to take effect

Ready to configure your application?

Manage all environment variables through the BizKitHub administration panel with a secure, user-friendly interface.

Open Admin Panel API Documentation