# When making simple mail server config changes, can the full \`launcher rebuild app\` be sped up?

**URL:** <https://meta.discourse.org/t/when-making-simple-mail-server-config-changes-can-the-full-launcher-rebuild-app-be-sped-up/131463>\
**Category:** Support\
**Created:** [October 20, 2019, 4:44am UTC](https://meta.discourse.org/t/when-making-simple-mail-server-config-changes-can-the-full-launcher-rebuild-app-be-sped-up/131463 "2019-10-20T04:44:24Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)\
**Post date:** [October 20, 2019, 11:39am UTC](https://meta.discourse.org/t/when-making-simple-mail-server-config-changes-can-the-full-launcher-rebuild-app-be-sped-up/131463/3 "2019-10-20T11:39:26Z")

</div>

If you have changed just environment variables you can

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

```

---

_[View the full topic](https://meta.discourse.org/t/when-making-simple-mail-server-config-changes-can-the-full-launcher-rebuild-app-be-sped-up/131463)._