# Custom Upgrade Strategy

**URL:** <https://forums.suse.com/t/custom-upgrade-strategy/9891>\
**Category:** Rancher 1.x\
**Created:** [March 26, 2018, 9:56pm UTC](https://forums.suse.com/t/custom-upgrade-strategy/9891 "2018-03-26T21:56:48Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Serializator](https://avatars.discourse-cdn.com/v4/letter/s/6bbea6/32.png) [@Serializator](https://forums.suse.com/u/Serializator)\
**Post date:** [March 26, 2018, 9:56pm UTC](https://forums.suse.com/t/custom-upgrade-strategy/9891/1 "2018-03-26T21:56:48Z")

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Is there a way to write a customized upgrade strategy that waits for something and then upgrades each container in a service instead of a static interval?