Setting AWS_LAMBDA_JS_RUNTIME in netlify.toml for template / deploy button

Support
, ,
1

Thanks for node 18 support in functions!

I’m currently writing a template repository (to be deployed via the Deploy to Netlify button) and I plan to use fetch a lot, so I need to set some env vars. I tried using this in netlify.toml

[context.production.environment]
  AWS_LAMBDA_JS_RUNTIME = "nodejs18.x"
  NODE_NO_WARNINGS = "1"

but it does not work. I’ve looked around and I see Are environment variables specified in netlify.toml accessible in functions? - #2 by hrishikesh and Defining environment variables for git LFS in netlify.toml - #2 by luke and Can I set `AWS_LAMBDA_JS_RUNTIME` without having to use the UI which say “no”

Other than setting them in [template.environment], is there a way to pre-define those variables for users? netlify-plugin-inline-functions-env will probably not work as the vars are not used in code, so inlining is useless.

Thanks!

2

That’s not possible. Since Netlify Functions need variables to be set in the UI, doing anything inside the toml would not work.

I believe you can create a custom build plugin and that change the site’s environment variables:

However, I am not sure if those variables make it to the Functions or not.