diff --git a/devops-service/config.ru b/devops-service/config.ru
index 5938bd7..0f436a9 100644
--- a/devops-service/config.ru
+++ b/devops-service/config.ru
@@ -4,21 +4,15 @@ require "rubygems"
 require "bundler/setup"
 
 require_relative "devops-service"
-require_relative "devops_loader"
+require_relative "devops_config"
 require_relative "routes"
 
 root = File.dirname(__FILE__)
 
 # Read configuration file
-config_file = File.join(root, "config.rb")
-config = {}
-if File.exists? config_file
-  eval File.read config_file
-else
-  raise "No config file '#{config_file}' found"
-end
+DevopsConfig.read
+config = DevopsConfig.config
 
-config[:devops_dir] = File.join(ENV["HOME"], ".devops") if config[:devops_dir].nil?
 puts "Devops home: #{config[:devops_dir]}"
 unless File.exists?(config[:devops_dir])
   FileUtils.mkdir_p config[:devops_dir]
@@ -30,5 +24,5 @@ config[:report_dir_v2] = File.expand_path(File.join(config[:devops_dir], "report
   :report_dir_v2
 ].each {|key| d = config[key]; FileUtils.mkdir_p(d) unless File.exists?(d) }
 
-DevopsService.init(config)
+DevopsService.init
 run Rack::URLMap.new(Devops::Routes.routes)
diff --git a/devops-service/devops-service.rb b/devops-service/devops-service.rb
index 56185b4..e2249d8 100644
--- a/devops-service/devops-service.rb
+++ b/devops-service/devops-service.rb
@@ -1,5 +1,3 @@
-#!/usr/bin/env ruby
-
 require "wisper"
 
 $:.push File.dirname(__FILE__)
@@ -11,6 +9,7 @@ require "db/mongo/mongo_connector"
 require "providers/provider_factory"
 
 require "loader"
+require "devops_db"
 
 require "sidekiq/web"
 
@@ -28,8 +27,9 @@ class DevopsService
 
   class << self
 
-    def routes config
-      #Devops::Routes.preffix = ""
+    def routes
+      config = DevopsConfig.config
+      Devops::Routes.preffix = config[:url_prefix]
       Devops::Routes.route "/version", DevopsVersion
       Devops::Routes.route "/v2.0", Devops::Version2_0::Application
       Devops::Routes.route "/client", Client.new(config)
@@ -37,12 +37,18 @@ class DevopsService
       Devops::Routes.route "/sidekiq", Sidekiq::Web
     end
 
-    def init config
-      routes config
-      Devops::Version2_0::Application.init config
-      DevopsLoader.load
-      DevopsLoader.routes
-      Devops::Loader.plugins config
+    def init
+      # init database
+      Devops::Db.init
+      # init plugins
+      Devops::Loader.init_plugins
+      # init routes classes
+      Devops::Version2_0::Application.init
+      Devops::Version2_0::Application.register_routes
+      # init routes paths
+      routes
+      # add plugins routes
+      Devops::Loader.routes
     end
   end
 
diff --git a/devops-service/devops_config.rb b/devops-service/devops_config.rb
new file mode 100644
index 0000000..1b6502d
--- /dev/null
+++ b/devops-service/devops_config.rb
@@ -0,0 +1,48 @@
+require "socket"
+
+class DevopsConfig
+
+  @@config = nil
+
+  class << self
+    def read config_file=nil
+      if config_file.nil?
+        root = File.dirname(__FILE__)
+        config_file = File.join(root, "config.rb")
+      end
+      config = {:url_prefix => ""}
+      if File.exists? config_file
+        eval File.read config_file
+      else
+        raise "No config file '#{config_file}' found"
+      end
+      config[:devops_dir] = File.join(ENV["HOME"], ".devops") if config[:devops_dir].nil?
+      addr = first_public_ipv4 || first_private_ipv4
+      config[:address] = if addr.nil?
+        "localhost"
+      else
+        addr.ip_address
+      end
+
+      DevopsConfig.config = config
+    end
+
+    def config= config
+      @@config = config
+    end
+
+    def config
+      @@config
+    end
+
+    def first_private_ipv4
+      Socket.ip_address_list.detect{|intf| intf.ipv4_private?}
+    end
+
+    def first_public_ipv4
+      Socket.ip_address_list.detect{|intf| intf.ipv4? and !intf.ipv4_loopback? and !intf.ipv4_multicast? and !intf.ipv4_private?}
+    end
+
+  end
+
+end
diff --git a/devops-service/devops_db.rb b/devops-service/devops_db.rb
new file mode 100644
index 0000000..bd01610
--- /dev/null
+++ b/devops-service/devops_db.rb
@@ -0,0 +1,23 @@
+module Devops
+  class Db
+
+    @@db = nil
+
+    class << self
+      def init
+        config = DevopsConfig.config
+        mongo_db = config[:mongo_db] || "devops"
+        mongo_host = config[:mongo_host] || "localhost"
+        mongo_port = config[:mongo_port] || 27017
+        mongo_user = config[:mongo_user]
+        mongo_password = config[:mongo_password]
+        @@db = MongoConnector.new(mongo_db, mongo_host, mongo_port, mongo_user, mongo_password)
+      end
+
+      def connector
+        @@db
+      end
+
+    end
+  end
+end
diff --git a/devops-service/devops_loader.rb b/devops-service/devops_loader.rb
index abc4f99..0f63c4c 100644
--- a/devops-service/devops_loader.rb
+++ b/devops-service/devops_loader.rb
@@ -4,14 +4,4 @@ class DevopsLoader
     #Devops::Routes.route "/version", DevopsVersion
   end
 
-  def self.routes
-    if defined?(Devops::Plugin)
-      routes = {}
-      plugins = Devops::Plugin.constants.collect{|s| Devops::Plugin.const_get(s)}.select {|const| const.class == Module}
-      puts plugins.inspect
-      plugins.each do |p|
-        p.routes
-      end
-    end
-  end
 end
diff --git a/devops-service/loader.rb b/devops-service/loader.rb
index f6f3181..4a36eb5 100644
--- a/devops-service/loader.rb
+++ b/devops-service/loader.rb
@@ -2,18 +2,28 @@ module Devops
   module Loader
 
     class << self
-      def plugins config
+      def init_plugins
+        plugins do |plugin|
+          plugin.init
+        end
+      end
 
+      def routes
+        plugins do |plugin|
+          plugin.routes
+        end
+      end
+
+      def plugins &block
         if defined?(Devops::Plugin)
-          routes = {}
           plugins = Devops::Plugin.constants.collect{|s| Devops::Plugin.const_get(s)}.select {|const| const.class == Module}
           puts plugins.inspect
           plugins.each do |p|
-            p.init(config)
+            yield p
           end
         end
-
       end
+
     end
   end
 end
diff --git a/devops-service/routes/v2.0.rb b/devops-service/routes/v2.0.rb
index e7b6e03..1e71e42 100644
--- a/devops-service/routes/v2.0.rb
+++ b/devops-service/routes/v2.0.rb
@@ -1,4 +1,3 @@
-require "bundler/setup"
 require "sinatra/base"
 require "sinatra/streaming"
 require "helpers/version_2"
@@ -41,15 +40,10 @@ module Devops
     class Application < Sinatra::Base
 
       class << self
-        def init config
+        def init
+          config = DevopsConfig.config
           set :devops_home, config[:devops_dir]
-          set :config, config
-
-          set :mongo_db, config[:mongo_db] || "devops"
-          set :mongo_host, config[:mongo_host] || "localhost"
-          set :mongo_port, config[:mongo_port] || 27017
-          set :mongo_user, config[:mongo_user]
-          set :mongo_password, config[:mongo_password]
+          #set :config, config
 
           set :keys_dir, (config[:keys_dir] || File.join(config[:devops_dir], "files/keys"))
           set :scripts_dir, (config[:scripts_dir] || File.join(config[:devops_dir], "files/scripts"))
@@ -64,8 +58,25 @@ module Devops
         end
 
         def init_mongo
-          mongo = MongoConnector.new(settings.mongo_db, settings.mongo_host, settings.mongo_port, settings.mongo_user, settings.mongo_password)
-          set :mongo, mongo
+          set :mongo, Devops::Db.connector
+        end
+
+        def register_routes
+          register Devops::Version2_0::Routes::ProviderRoutes
+          register Devops::Version2_0::Routes::BootstrapTemplatesRoutes
+          register Devops::Version2_0::Routes::UserRoutes
+          register Devops::Version2_0::Routes::FilterRoutes
+          register Devops::Version2_0::Routes::FlavorRoutes
+          register Devops::Version2_0::Routes::GroupRoutes
+          register Devops::Version2_0::Routes::ImageRoutes
+          register Devops::Version2_0::Routes::KeyRoutes
+          register Devops::Version2_0::Routes::NetworkRoutes
+          register Devops::Version2_0::Routes::ProjectRoutes
+          register Devops::Version2_0::Routes::ScriptRoutes
+          register Devops::Version2_0::Routes::ServerRoutes
+          register Devops::Version2_0::Routes::StatusRoutes
+          register Devops::Version2_0::Routes::TagRoutes
+          register Devops::Version2_0::Routes::DeployRoutes
         end
 
         private
@@ -87,22 +98,6 @@ module Devops
       helpers Sinatra::Streaming
       helpers Devops::Version2_0::Helpers
 
-      register Devops::Version2_0::Routes::ProviderRoutes
-      register Devops::Version2_0::Routes::BootstrapTemplatesRoutes
-      register Devops::Version2_0::Routes::UserRoutes
-      register Devops::Version2_0::Routes::FilterRoutes
-      register Devops::Version2_0::Routes::FlavorRoutes
-      register Devops::Version2_0::Routes::GroupRoutes
-      register Devops::Version2_0::Routes::ImageRoutes
-      register Devops::Version2_0::Routes::KeyRoutes
-      register Devops::Version2_0::Routes::NetworkRoutes
-      register Devops::Version2_0::Routes::ProjectRoutes
-      register Devops::Version2_0::Routes::ScriptRoutes
-      register Devops::Version2_0::Routes::ServerRoutes
-      register Devops::Version2_0::Routes::StatusRoutes
-      register Devops::Version2_0::Routes::TagRoutes
-      register Devops::Version2_0::Routes::DeployRoutes
-
       use Rack::Auth::Basic do |username, password|
         begin
           settings.mongo.user_auth(username, password)