# Supported tags and respective `Dockerfile` links

-	[`12.04`, `precise` (*sbin-init/ubuntu/upstart/12.04/Dockerfile*)](https://github.com/tianon/dockerfiles/blob/4d24a12b54b75b3e0904d8a285900d88d3326361/sbin-init/ubuntu/upstart/12.04/Dockerfile)
-	[`14.04`, `trusty`, `latest` (*sbin-init/ubuntu/upstart/14.04/Dockerfile*)](https://github.com/tianon/dockerfiles/blob/4d24a12b54b75b3e0904d8a285900d88d3326361/sbin-init/ubuntu/upstart/14.04/Dockerfile)
-	[`14.10`, `utopic` (*sbin-init/ubuntu/upstart/14.10/Dockerfile*)](https://github.com/tianon/dockerfiles/blob/4d24a12b54b75b3e0904d8a285900d88d3326361/sbin-init/ubuntu/upstart/14.10/Dockerfile)

For more information about this image and its history, please see the [relevant manifest file (`library/ubuntu-upstart`)](https://github.com/docker-library/official-images/blob/master/library/ubuntu-upstart) in the [`docker-library/official-images` GitHub repo](https://github.com/docker-library/official-images).

# What is Upstart?

Upstart is an event-based replacement for the traditional init daemon – the method by which several Unix-like computer operating systems perform tasks when the computer is started. It was written by Scott James Remnant, a former employee of Canonical Ltd.

> [wikipedia.org/wiki/Upstart](https://en.wikipedia.org/wiki/Upstart)

![logo](https://raw.githubusercontent.com/docker-library/docs/master/ubuntu-upstart/logo.png)

# Supported Docker versions

This image is officially supported on Docker version 1.5.0.

Support for older versions (down to 1.0) is provided on a best-effort basis.

# User Feedback

## Issues

This image is provided on an as-is basis. If problems with it are discovered, they can be discussed in the `#docker-library` IRC channel on [Freenode](https://freenode.net), but any support will be best-effort.