diff --git a/Makefile.PL b/Makefile.PL
index 921241f..3186dfe 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -2,14 +2,8 @@ use inc::Module::Install;
 name 'PlackX-Engine';
 all_from 'lib/PlackX/Engine.pm';
 
-requires(
-
-);
-test_requires(
-  'Test::More'                   => 0,
-  'Test::Class'                  => 0,
-  'Module::Install::AuthorTests' => 0,
-);
+requires( "Plack" => 0, );
+test_requires( 'Test::More' => 0, );
 use_test_base;
 auto_include;
 WriteAll;
diff --git a/config/example.psgi b/config/example.psgi
new file mode 100644
index 0000000..c20eac7
--- /dev/null
+++ b/config/example.psgi
@@ -0,0 +1,27 @@
+use PlackX::Engine;
+use Plack::Response;
+
+my $request_handler = sub {
+    my $req = shift;
+    my $res = Plack::Response->new;
+    $res->code(200);
+    $res->header( 'Content-Type' => 'text/html' );
+    $res->body( ["Hello World"] );
+    $res->finalize;
+};
+
+my $engine = PlackX::Engine->new(
+    {   server => {
+            module => 'ServerSimple',
+            args   => {
+                port => 3000,
+                host => 'localhost',
+            },
+        },
+        request_handler => $request_handler,
+        middlewares =>
+            [ { module => "AccessLog::Timed" }, { module => "Static" } ],
+    }
+);
+
+my $handler = $engine->handler;
diff --git a/lib/PlackX/Engine.pm b/lib/PlackX/Engine.pm
index f612949..349e22a 100644
--- a/lib/PlackX/Engine.pm
+++ b/lib/PlackX/Engine.pm
@@ -1,10 +1,68 @@
 package PlackX::Engine;
-
 use strict;
 use warnings;
+use 5.008_001;
 our $VERSION = '0.01';
 
+use Class::Accessor "antlers";
+use Plack::Loader;
+use Plack::Middleware;
+use Plack::Builder;
+use Plack::Request;
+
+has server          => ( is => "rw", isa => "HashRef" );
+has request_handler => ( is => "rw", isa => "CodeRef" );
+has middlewares     => ( is => "rw", isa => "ArrayRef" );
+
+sub run {
+    my $self = shift;
+    my $server_instance
+        = $self->_build_server_instance( $self->{server}->{module},
+        $self->{server}->{args} );
+    my $request_handler = $self->handler;
+    $server_instance->run($request_handler);
+}
+
+sub handler {
+    shift->_build_request_handler;
+}
+
+sub _build_server_instance {
+    my ( $class, $server, $args ) = @_;
+    Plack::Loader->load( $server, %$args );
+}
+
+sub _build_request_handler {
+    my $self            = shift;
+    my $request_handler = sub {
+        my $env = shift;
+        my $req = $self->build_request($env);
+        return $self->{request_handler}->($req);
+    };
+    $self->_wrap_with_middlewares($request_handler);
+}
+
+sub _wrap_with_middlewares {
+    my ( $self, $request_handler ) = @_;
+    for my $middleware ( reverse @{ $self->{middlewares} || [] } ) {
+        my $sub = $middleware->{module};
+        my $subclass = $sub =~ s/^\+// ? $sub : "Plack::Middleware::$sub";
+        eval "use $subclass";
+        die $@ if $@;
+
+        $request_handler = $subclass->wrap( $request_handler,
+            %{ $middleware->{args} || {} } );
+    }
+    $request_handler;
+}
+
+sub build_request {
+    my ( $self, $env ) = @_;
+    Plack::Request->new($env);
+}
+
 1;
+
 __END__
 
 =encoding utf-8
@@ -16,12 +74,40 @@ PlackX::Engine -
 =head1 SYNOPSIS
 
   use PlackX::Engine;
+  use Plack::Response;
+
+  my $request_handler = sub {
+      my $req = shift;
+      my $res = Plack::Response->new;
+      $res->code(200);
+      $res->header( 'Content-Type' => 'text/html' );
+      $res->body( ["Hello World"] );
+      $res->finalize;
+  };
+  
+  my $engine = PlackX::Engine->new(
+      {
+          server => {
+              module => 'ServerSimple',
+              args   => {
+                  port => 3000,
+                  host => 'localhost',
+              },
+          },
+          request_handler => $request_handler,
+          middlewares => [
+              { module => "AccessLog::Timed" },
+              { module => "Static" }
+          ],
+      }
+  );
+  
+  $engine->run;
 
 =head1 DESCRIPTION
 
 PlackX::Engine is
 
-
 =head1 SOURCE AVAILABILITY
 
 This source is in Github:
diff --git a/t/00_load_all.t b/t/00_load_all.t
index 6220991..3643555 100644
--- a/t/00_load_all.t
+++ b/t/00_load_all.t
@@ -2,6 +2,6 @@ use strict;
 use warnings;
 use Test::LoadAllModules;
 
-BEGIN {    
+BEGIN {
     all_uses_ok(search_path => 'PlackX::Engine');
 }