Version numbering will follow the lead of Linux, in which a change in the first digit represents a major upgrade. An advance in the second digit after the period designates a routine update and the third digit will be for emergency bug fixes and other issues.
Docker is planning for a full production-ready "version 1" release of the software in April.
The company is also investigating various strategies to commercialize the open source technology, which is under an Apache License. Docker plans to develop the services for indexing and signing images as well as for creating private registries for Docker images. It will also offer commercial support for Docker and is considering releasing an enterprise edition of the software as well.