Wow, Nerves is an impressive framework for building embedded system using modern tech. So many great features, but I think the most impressive is the update facility. The fact that is built-in, is even better.
Some good background info on the new product Habitat from our friends at Chef. I love how they are rethinking automation, and I will be following this project very closely.
"Hide the dependencies of Ruby." I completely agree with this sentiment. Ruby is easier to deploy now, but it can get hairy fast. He also talks about the problems with Docker in production, and what to do about it.