# Development Web Server used by Ember

**URL:** <https://discuss.emberjs.com/t/development-web-server-used-by-ember/15331>\
**Category:** Ember CLI\
**Created:** [August 21, 2018, 2:44pm UTC](https://discuss.emberjs.com/t/development-web-server-used-by-ember/15331 "2018-08-21T14:44:20Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![harimath](https://avatars.discourse-cdn.com/v4/letter/h/76d3ee/32.png) [@harimath](https://discuss.emberjs.com/u/harimath)\
**Post date:** [August 21, 2018, 2:44pm UTC](https://discuss.emberjs.com/t/development-web-server-used-by-ember/15331/1 "2018-08-21T14:44:20Z")

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Which Development Web Server does Ember use internally (meaning when using ember-cli for local app development) ?

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**Author:** ![dknutsen](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.emberjs.com/dknutsen/32/16471_2.png) [@dknutsen](https://discuss.emberjs.com/u/dknutsen)\
**Post date:** [August 21, 2018, 2:49pm UTC](https://discuss.emberjs.com/t/development-web-server-used-by-ember/15331/2 "2018-08-21T14:49:17Z")

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Looks like it uses express:

> <https://github.com/ember-cli/ember-cli/blob/master/lib/tasks/server/express-server.js>