This talk aims to present the most important ideas behind high availability support in Elixir/Erlang. It is a medium to high-level explanation of tools and approaches that can help developers drastically increase the uptime of their systems. About the speaker: Software developer at Aircloak, a startup developing a solution for plug-and-play privacy compliance. Has many years of experience building server systems as well as desktop applications using various languages and technologies such as Elixir, Erlang, Ruby, JavaScript, C#, C++. The author of “Elixir in Action”, and an occasional blogger at theerlangelist.com. Talk given at Full Stack Fest 2016 (https://www.fullstackfest.com)