I think something got broken on DO, we have a lot of Frontend websites made with nextjs this way and we didn't encounter any trouble.

This morning i've tried to upload a new one and encounter the same thing.

My workaround by now was to change all the imports by hand instead of using the @/ And had to move devDependencies from the package.json to dependencies, even typescript.

Yeah, I know is not the correct way, but we need that site up now.