rebootlearn

Apologies if this might sound ignorant, but what is the purpose of such a complex setup. If it's to build a personal cloud host, why go through all the trouble of setting this up instead of just using AWS. I've been working as a web dev (flask + vue) for nearly 4 years now and have never come across any of this in my day job. While reading the article, I barely understood how all of these technologies (Ansible, Nomad, Tailscale, etc) work together. And, I'm now realising that it's high time I learn all these modern technologies and update myself.

What would be the best place to learn all of this. While the Ansible docs seem like a good place to start, what I'm really looking for is how do I identify when I would need to use any of these technologies. At what point in the development cycle starting from a basic web backend would I need to consider using these technologies. Any pointers to some good resources to learn all this would be very much appreciated.