diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 000000000..859ac3df3
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,7 @@
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v2.3.0
+    hooks:
+    -   id: check-yaml
+    -   id: end-of-file-fixer
+    -   id: trailing-whitespace
diff --git a/apps/cf_http/lib/cf_http/devices/device.ex b/apps/cf_http/lib/cf_http/devices/device.ex
index 8a188fdf3..d1880e5cd 100644
--- a/apps/cf_http/lib/cf_http/devices/device.ex
+++ b/apps/cf_http/lib/cf_http/devices/device.ex
@@ -1,6 +1,6 @@
 defmodule CfHttp.Devices.Device do
   @moduledoc """
-  Handles Device stuff when it comes to the DB
+  Yeah baby moduledoc!
   """
 
   use Ecto.Schema
diff --git a/apps/cf_http/mix.exs b/apps/cf_http/mix.exs
index f83576add..670a3a71e 100644
--- a/apps/cf_http/mix.exs
+++ b/apps/cf_http/mix.exs
@@ -48,7 +48,8 @@ defmodule CfHttp.MixProject do
       {:phoenix_live_reload, "~> 1.2", only: :dev},
       {:gettext, "~> 0.11"},
       {:jason, "~> 1.0"},
-      {:plug_cowboy, "~> 2.1"}
+      {:plug_cowboy, "~> 2.1"},
+      {:credo, "~> 1.4", only: [:dev, :test], runtime: false}
     ]
   end
 
diff --git a/apps/cf_vpn/mix.exs b/apps/cf_vpn/mix.exs
index 794a8a5b8..230f800cf 100644
--- a/apps/cf_vpn/mix.exs
+++ b/apps/cf_vpn/mix.exs
@@ -26,6 +26,7 @@ defmodule CfVpn.MixProject do
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [
+      {:credo, "~> 1.4", only: [:dev, :test], runtime: false}
       # {:dep_from_hexpm, "~> 0.3.0"},
       # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"},
       # {:sibling_app_in_umbrella, in_umbrella: true}
diff --git a/apps/cf_wall/mix.exs b/apps/cf_wall/mix.exs
index f43cb577b..f81663257 100644
--- a/apps/cf_wall/mix.exs
+++ b/apps/cf_wall/mix.exs
@@ -26,6 +26,7 @@ defmodule CfWall.MixProject do
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [
+      {:credo, "~> 1.4", only: [:dev, :test], runtime: false}
       # {:dep_from_hexpm, "~> 0.3.0"},
       # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"},
       # {:sibling_app_in_umbrella, in_umbrella: true}
diff --git a/mix.exs b/mix.exs
index 29faca367..28fb21de5 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,4 +1,8 @@
 defmodule CloudfireUmbrella.MixProject do
+  @moduledoc """
+  Welcome to the CloudFire Elixir Umbrella Project
+  """
+
   use Mix.Project
 
   def project do