better configuration, better README for releases

README.md

@@ -22,7 +22,13 @@ proxy server from sources they actually trust.
 
 ## Running the server
 
-You can compile a release by running `MIX_ENV=prod mix release`.
+You can compile a release by running the following:
+
+```
+export REPLACE_OS_VARS=true
+export MIX_ENV=prod 
+mix release --env=prod
+```
 
 Then to run the server, you can supply your own DNS server via the DOUGH_DNS
 environment variable.

config/config.exs

@@ -4,6 +4,7 @@ use Mix.Config
 
 config :dough,
   # default, an opennic server.
-  dns_server: "37.235.1.174"
+  dns_server: "37.235.1.174",
+  current_version: Mix.Project.config()[:version]
 
-#     import_config "#{Mix.env}.exs"
+import_config "#{Mix.env}.exs"

config/prod.exs

@@ -0,0 +1,4 @@
+use Mix.Config
+
+config :dough,
+  dns_server: "${DOUGH_DNS}"

lib/dough.ex

@@ -6,12 +6,10 @@ defmodule Dough do
   import Supervisor.Spec
   import Cachex.Spec
 
+  import Logger
+
   def start(_type, _args) do
-    # List all child processes to be supervised
     children = [
-      # Starts a worker by calling: Dough.Worker.start_link(arg)
-      # {Dough.Worker, arg},
-      # Plug.Adapters.Cowboy.child_spec(:https, Dough.Router, [], port: 8331, keyfile: "priv/ssl/localhost.key", certfile: "priv/ssl/localhost.crt", otp_app: :dough)
       worker(Cachex, [
         :dough,
         [
@@ -34,8 +32,17 @@ defmodule Dough do
        ]}
     ]
 
-    # See https://hexdocs.pm/elixir/Supervisor.html
-    # for other strategies and supported options
+    Logger.info("
+██▄   ████▄   ▄     ▄▀   ▄  █
+█  █  █   █    █  ▄▀    █   █
+█   █ █   █ █   █ █ ▀▄  ██▀▀█
+█  █  ▀████ █   █ █   █ █   █
+███▀        █▄ ▄█  ███     █
+             ▀▀▀          ▀
+Starting Dough Server #{Application.get_env(:dough, :current_version)} ...
+DNS Proxying to #{Application.get_env(:dough, :dns_server)}
+")
+
     opts = [strategy: :one_for_one, name: Dough.Supervisor]
     Supervisor.start_link(children, opts)
   end