# ID inside docker

**URL:** <https://forums.docker.com/t/id-inside-docker/73014>\
**Category:** General\
**Created:** [April 12, 2019, 2:03pm UTC](https://forums.docker.com/t/id-inside-docker/73014 "2019-04-12T14:03:37Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![84293084](https://avatars.discourse-cdn.com/v4/letter/8/839c29/32.png) [@84293084](https://forums.docker.com/u/84293084)\
**Post date:** [April 12, 2019, 2:03pm UTC](https://forums.docker.com/t/id-inside-docker/73014/1 "2019-04-12T14:03:37Z")

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Is there some default ID inside the docker container or some other way for a program to identify the container

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**Author:** ![tekki](https://sea3.discourse-cdn.com/docker/user_avatar/forums.docker.com/tekki/32/21884_2.png) [@tekki](https://forums.docker.com/u/tekki)\
**Post date:** [April 13, 2019, 7:51am UTC](https://forums.docker.com/t/id-inside-docker/73014/2 "2019-04-13T07:51:24Z")

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You get the ID of the container with `hostname`.

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<div class="post-metadata">

**Author:** ![84293084](https://avatars.discourse-cdn.com/v4/letter/8/839c29/32.png) [@84293084](https://forums.docker.com/u/84293084)\
**Post date:** [April 15, 2019, 7:56am UTC](https://forums.docker.com/t/id-inside-docker/73014/3 "2019-04-15T07:56:41Z")

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is it unique for every machine ?Can it be identified from 3-rd party?