Starting to get things rolling

mix.exs

@@ -14,13 +14,16 @@ defmodule ResourceOwner.MixProject do
   # Run "mix help compile.app" to learn about applications.
   def application do
     [
-      extra_applications: [:logger]
+      extra_applications: [:logger],
+      mod: {ResourceOwner.Application, []}
     ]
   end
 
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [
+      {:ecto_sql, "~> 3.10"},
+      {:postgrex, ">= 0.0.0"}
       # {:dep_from_hexpm, "~> 0.3.0"},
       # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"}
     ]