Generally speaking, I like products and services that are focused on very few things and do them well. DigitalOcean is one of those. It is an Infrastructure as a Service(IaaS) provider and nothing else. The services it provides are few in number (For example, floating IP) and limited to those that are a real necessity. If you're looking for a provider that will offer you everything you can imagine, choose Amazon Web Services(AWS), Azure, GCE, or any other cloud computing provider that aims at delivering not only hosting but also numerous services on top. The fact that you reached this far in this book tells me that there are strong chances that you are interested in setting up infrastructure services yourself. If that's the case, DigitalOcean is worth a try. Doing everything often means not doing anything really well. DigitalOcean does a few things, and it does them well. What is does, it does better than most.
The real question is whether you need only...