Environment variables being deleted after every deploy on DigitalOcean Functions


I’m working on a Python function being deployed to Functions and it needs to access API keys and other secrets. I added the secrets to the environment variables section on the settings page for the function (via the web UI), but all the environment variables get deleted after each doctl serverless deploy package-name --remote-build command.

I thought it might’ve been because in project.yml I had set environment: {}, so I removed environment: {} and it’s now a barebones project.yml file. Even after that change, the environment variables are gone after every update I deploy.

Is there a way to persist the environment variables across doctl serverless deploys of the same function? Or am I setting something wrong to cause this behavior?


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Bobby Iliev
Site Moderator
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April 14, 2024

Hi there,

You would actually need to explicitly declare the environment variables in the project.yml.

That way you can ensure the env variables are set with every deployment, eg:

    handler: functions/handler.my_handler
      API_KEY: "your_api_key_here"
      ANOTHER_SECRET: "your_secret_here"

Otherwise, as you mentioned that your project.yml had an empty environment: {} block, which you later removed, if environment: {} is set, it will override environment variables set via the web UI during deployment as the platform will try to match whatever is in the project.yml file.

Let me know how it goes!



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