[SOLVED] How can I connect a storage file with a collection entry?

Hey,
I would like to connect a storage file with a collection entry.
Imagine an Instagram clone, where I have a "post" collection, that has "tags", "description" and so on. And now I need to add the picture to that post. How can I do that?

You can get the file ID and add it to the database as a string

So with the ID you fetch then the image when needed to display it to users

ok I see.. I was hoping to be able to do some kind of relation, as you can do with other collections

[SOLVED] How can I connect a storage file with a collection entry?