ReadonlygroupsGroups the user will be added to.
Use cases: Role-based access via group membership; Multi-group user setup
AWS: CloudFormation::Init user groups
Validation: Required; array of group name strings; groups must exist or be created in the groups section
ReadonlyhomeHome directory path for the user account.
Use cases: Custom home directory location; Application-specific user workspace
AWS: CloudFormation::Init user homeDir
Validation: Required; valid directory path
Optional ReadonlyuidSpecific numeric user ID. If omitted, the OS assigns one automatically.
Use cases: Fixed UID for file ownership; System integration with specific UID requirements
AWS: CloudFormation::Init users
Validation: Optional; numeric string
Linux/UNIX user account configuration for CloudFormation Init.