[BUG] <title>

[alaya233]

Environment

Self-Hosted (Docker)

System

No response

Version

3.0.0

Describe the problem

When dashy saves the configuration and then overwrites the configuration file,there no backup of the configuration file is created.

Additional info

No response

Please tick the boxes

• [X] You have explained the issue clearly, and included all relevant info
• [X] You are using a supported version of Dashy
• [X] You've checked that this issue hasn't already been raised
• [X] You've checked the docs and troubleshooting guide
• [X] You agree to the code of conduct

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[CrazyWolf13]

Did you mount the config directly or mount the folder user-data?

[alaya233]

Did you mount the config directly or mount the folder user-data?

Thanks.I change it to mount the folder user-data,it works.

[CrazyWolf13]

Awesome 😎!