# How to change environment variable after docker has bootstrapped site?

**URL:** <https://meta.discourse.org/t/how-to-change-environment-variable-after-docker-has-bootstrapped-site/21147>\
**Category:** Self-hosting\
**Created:** [October 15, 2014, 4:32am UTC](https://meta.discourse.org/t/how-to-change-environment-variable-after-docker-has-bootstrapped-site/21147 "2014-10-15T04:32:08Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)\
**Post date:** [October 19, 2014, 11:13pm UTC](https://meta.discourse.org/t/how-to-change-environment-variable-after-docker-has-bootstrapped-site/21147/4 "2014-10-19T23:13:28Z")

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To amend env vars for a running container without bootstrapping.

```plaintext
./launcher destroy app
./launcher start app

```

Will do the trick most of the time.

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