The big advantage of Docker based solutions is that they're portable between providers. And you can ramp up the complexity as you need. Just need a language run

The big advantage of Docker based solutions is that they're portable between providers. And you can ramp up the complexity as you need. Just need a language runtime? Then you can have a single-line Dockerfile. Need to support a native dependency? Then you might need to install it, but at least it will be possible to do that.