Exposing environmental variables only to main process

[Martiinii]

Hey! How to expose environmental variables (without VITE_ prefix) to main process in such a way, that they aren't visible in renderer processes?
I have database connection setup in main process but I want to have username/password stored in .env file.
From readme:

Only VITE_SOME_KEY will be exposed as import.meta.env.VITE_SOME_KEY to your client source code, but DB_PASSWORD will not.

I thought that DB_PASSWORD will be exposed to non-client source code, like main process.
In main process I tried import.meta.env and process.env. I don't have really great knowledge of Vite, sorry for that.
How could this be implemented?

Thanks in advance!

[cawa-93]

You may customize prefixes. See envPrefix. In your case, probably needed add two diferent prefixes: ['VITE_', 'MAIN_']. VITE_ for shared environmental variables, and MAIN_ only for main process. Like MAIN_DB_PASSWORD