Welcome to the forums,
this is a hotly debated question, how much swap file capacity do I need, the answers ranges from none at all to 1tb
So, you can have several swap partitions, on my old dell laptop with 4gb ram and LMDE5/Parrot, I do not have a swap file, and it runs just fine, my desktop has 8gb ram, and the system monitor has never got above 30% [it is used for general computing, streaming, etc [not gaming]] and also has no swap file
I suggest you read this article,it will tell you how to add extra swap files and you can see the results of a survey they carried out prior to publication.
Complete our survey and voice your opinion on how much swap space to allocate.