# ./launcher start app - does not run (need to re-setup SMTP)

**URL:** <https://meta.discourse.org/t/launcher-start-app-does-not-run-need-to-re-setup-smtp/240374>\
**Category:** Self-hosting\
**Created:** [September 29, 2022, 8:43am UTC](https://meta.discourse.org/t/launcher-start-app-does-not-run-need-to-re-setup-smtp/240374 "2022-09-29T08:43:17Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Stephen](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/stephen/32/95011_2.png) [@Stephen](https://meta.discourse.org/u/Stephen)\
**Post date:** [September 29, 2022, 10:29am UTC](https://meta.discourse.org/t/launcher-start-app-does-not-run-need-to-re-setup-smtp/240374/5 "2022-09-29T10:29:22Z")

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If you’re updating environment variables like SMTP credentials then you can’t just restart the container for them to be picked up.

You’re going to need to do a `./launcher destroy app` before `./launcher start app` for the container to start using the new values.

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