Cloud, DevOps, and Microservices are three strong forces are melting together.
Containers is the key technology around them. Before docker, horizontal scaling via VM spinning was feasible but a slow speed, compared to the speed of a docker container boot.
So do you want to learn docker without going out of business? Let’s go!
So if you are a poor guy with a little Rasperry Pi 2 in your pocket, you can try to learn the magic following three easy steps
- Install Docker on Rasperry Pi 2 looking at https://blog.alexellis.io/getting-started-with-docker-on-raspberry-pi/
- Play a little with the following images https://github.com/alexellis/docker-arm/tree/master/images
or try something of more difficult like running a blog:
- Study the magic of Docker file, starting from the official documentation