Every time I see a post like this, I see lots of folks are super exited, but I still fail to see benefits, perhaps is the nature of my/our architecture/setup.

Every time I see a post like this, I see lots of folks are super exited, but I still fail to see benefits, perhaps is the nature of my/our architecture/setup. So, let's say I have a fairly typical setup, 1 web app, 1 database. Normally I would have 2 VM instances to start with. When I need to scale I add more nodes for web and/or db... both are load balanced, of course. How would docker help me? I guess I should google for docker use cases, but I thought I'll try my luck here too. Test/dev environments are pretty close to production ones. It seems there is a lot of hype, but I fail to see it through. I'm wondering if all this hype is artificial, time will tell of course. Thanks.