How to set an Environment Variable for Instance

💬 Self Hosted Retool
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Just learned I need to set BASE_DOMAIN for mitigating a new self hosted vulnerability. I found the documentation on the variables but not direction on how to set it. Can someone point me to the right place. Running version 3.185.0

Link to vulnerability CVE-2025-47424 | Retool Docs

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Hey @KeithMacK - thanks for reaching out. Do you know how you're deployed? The exact method for defining environment variables will vary depending on whether you're deployed with Docker or Helm, which I briefly summarized over here.

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HI! Thanks for the reply. I am using Docker. This helps a lot. Was wondering if that was where it goes. Easy enough. Thank you

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