# How "yarn dev" without start mongodb instance. Is it possible?

**URL:** <https://forums.rocket.chat/t/how-yarn-dev-without-start-mongodb-instance-is-it-possible/17646>\
**Category:** Development\
**Created:** [August 23, 2023, 4:01pm UTC](https://forums.rocket.chat/t/how-yarn-dev-without-start-mongodb-instance-is-it-possible/17646 "2023-08-23T16:01:53Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![psyapathy](https://avatars.discourse-cdn.com/v4/letter/p/a698b9/32.png) [@psyapathy](https://forums.rocket.chat/u/psyapathy)\
**Post date:** [August 23, 2023, 4:01pm UTC](https://forums.rocket.chat/t/how-yarn-dev-without-start-mongodb-instance-is-it-possible/17646/1 "2023-08-23T16:01:53Z")

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Hello!

Can i run “yarn dev” in local development without mongodb. Is it possible?  
I already have mondodb and set mongo enviroment variables

Thanks you advanced