# Need to rebuild app after changing app.yml?

**URL:** <https://meta.discourse.org/t/need-to-rebuild-app-after-changing-app-yml/41370>\
**Category:** Self-hosting\
**Created:** [21 مارس 2016، 3:10م UTC](https://meta.discourse.org/t/need-to-rebuild-app-after-changing-app-yml/41370 "2016-03-21T15:10:59Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![fefrei](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/fefrei/32/119538_2.png) [@fefrei](https://meta.discourse.org/u/fefrei)\
**Post date:** [21 مارس 2016، 7:57م UTC](https://meta.discourse.org/t/need-to-rebuild-app-after-changing-app-yml/41370/2 "2016-03-21T19:57:16Z")

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Wait – are you running a development install? These don’t use container definitions.

Are you trying to develop Discourse, or do you want to run it?

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_[View the full topic](https://meta.discourse.org/t/need-to-rebuild-app-after-changing-app-yml/41370)._