Since Erlang underlies Riak, a NoSQL distributed key-value store, I thought this might be of interest:
Building Erlang Applications with Rebar
From the description:
Rebar is an Open Source project that provides a set of standardized build tools for OTP applications and releases. This talk will explore how to use Rebar in a typical development environment for everything from simple Erlang code to port drivers and embedded Erlang servers.
Talk Objectives: Introduce the major features and functionality that rebar provides to Erlang developers. Examine the architecture of rebar and discuss how it can be extended.
Target Audience: Any Erlang developer interested in using or extending rebar for their build system.
Additional references:
Erlang App. Management with Rebar (another tutorial)