# Chat-UI Error 500 adding models to .env.local filw with docker

**URL:** <https://discuss.huggingface.co/t/chat-ui-error-500-adding-models-to-env-local-filw-with-docker/99984>\
**Category:** Beginners\
**Created:** [July 29, 2024, 9:19pm UTC](https://discuss.huggingface.co/t/chat-ui-error-500-adding-models-to-env-local-filw-with-docker/99984 "2024-07-29T21:19:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Phthisicus](https://sea2.discourse-cdn.com/hellohellohello/user_avatar/discuss.huggingface.co/phthisicus/32/29990_2.png) [@Phthisicus](https://discuss.huggingface.co/u/Phthisicus)\
**Post date:** [July 29, 2024, 9:19pm UTC](https://discuss.huggingface.co/t/chat-ui-error-500-adding-models-to-env-local-filw-with-docker/99984/1 "2024-07-29T21:19:13Z")

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Hi Everyone,

I have managed to get chat-ui runing with docker, wit the default ENV Variables. But if i add a model, i get Error 500, it seems like docker does not support json formating. Can someone explain to me how to add models using chat-ui with docker?