diff --git a/Dockerfile b/Dockerfile
index bd1a834..ff446e6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,5 @@
 FROM node:latest
 
-# global deps
-RUN npm install gulp-cli -g
-
 # Create app directory
 WORKDIR /usr/src/app
 
@@ -17,7 +14,6 @@ RUN npm install
 
 # Bundle app source
 COPY . .
-RUN gulp
 
 EXPOSE 8080
 
diff --git a/client/lib/jquery-3.3.1.min.js b/client/lib/10-jquery-3.3.1.min.js
similarity index 100%
rename from client/lib/jquery-3.3.1.min.js
rename to client/lib/10-jquery-3.3.1.min.js
diff --git a/client/lib/crafty-min.js b/client/lib/20-crafty-min.js
similarity index 100%
rename from client/lib/crafty-min.js
rename to client/lib/20-crafty-min.js
diff --git a/gulpfile.js b/gulpfile.js
index 65c75a4..fc9ac5a 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -8,7 +8,9 @@ var concat = require('gulp-concat');
 var paths = {
   coffee: 'client/scripts/**/*.coffee',
   lib: 'client/lib/**/*.js',
-  images: 'client/img/**/*'
+  images: 'client/img/**/*',
+  dest: 'static',
+  maps: 'maps'
 };
 
 gulp.task('coffee', function(){
@@ -20,16 +22,16 @@ gulp.task('coffee', function(){
         return '$(function () {' + contents + '});';
       }))
       .pipe(uglify())
-    .pipe(sourcemaps.write())
-    .pipe(gulp.dest('static'))
+    .pipe(sourcemaps.write(paths.maps))
+    .pipe(gulp.dest(paths.dest))
 });
 
 gulp.task('lib', function(){
   return gulp.src(paths.lib)
     .pipe(sourcemaps.init())
       .pipe(concat('lib.min.js'))
-    .pipe(sourcemaps.write())
-    .pipe(gulp.dest('static'))
+    .pipe(sourcemaps.write(paths.maps))
+    .pipe(gulp.dest(paths.dest))
 });
 
 gulp.task('default', [ 'coffee', 'lib' ]);
diff --git a/server.js b/server.js
index 6fa9bd2..fc24e38 100644
--- a/server.js
+++ b/server.js
@@ -2,7 +2,12 @@
 var
   http = require('http'),
   socketio = require('socket.io'),
-  express = require('express');
+  express = require('express'),
+  gulp = global.gulp = require('gulp');
+
+// gulp the sources
+require('./gulpfile');
+gulp.start('default');
 
 // socket.io framework
 let app = express();