I was thinking about the case of a simple digitalocean/ec2 VPS, not a PAAS. In the end I realized that I don't need virtualenv and that makes things much simple

I was thinking about the case of a simple digitalocean/ec2 VPS, not a PAAS. In the end I realized that I don't need virtualenv and that makes things much simpler, except that every single blogpost/tutorial/info for beginners suggested using virtualenv and I was lost.