Environment Variables

List of environment variables used to configure DataChain behavior.

Core Configuration

• DATACHAIN_ROOT_DIR – Specifies the root directory where DataChain will create the .datachain folder to store its internal data. (default: user home directory).
• DATACHAIN_SYSTEM_CONFIG_DIR – Overrides the system-wide configuration directory (default depends on the platform).
• DATACHAIN_GLOBAL_CONFIG_DIR – Overrides the user's global configuration directory (default depends on the platform).
• DATACHAIN_NO_ANALYTICS – Disables telemetry.

Studio Integration

• DATACHAIN_STUDIO_URL – Custom Studio URL.
• DATACHAIN_STUDIO_TOKEN – Authentication token for Studio.
• DATACHAIN_STUDIO_TEAM – Studio team name.

Namespaces and projects

• DATACHAIN_NAMESPACE – Namespace name to use as default.
• DATACHAIN_PROJECT – Project name or combination of namespace name and project name separated by . to use as default, example: DATACHAIN_PROJECT=dev.analytics

Note: Some environment variables are used internally and may not be documented here. For the most up-to-date list, refer to the source code.