diff --git a/views/ngXosViews/diagnostic/gulp/build.js b/views/ngXosViews/diagnostic/gulp/build.js
index 1a1be80..20bbc14 100644
--- a/views/ngXosViews/diagnostic/gulp/build.js
+++ b/views/ngXosViews/diagnostic/gulp/build.js
@@ -39,7 +39,10 @@
   // delete previous builded file
   gulp.task('clean', function(){
     return del(
-      [options.dashboards + 'xosDiagnostic.html'],
+      [
+        options.dashboards + 'xosDiagnostic.html',
+        options.static + 'css/xosDiagnostic.css'
+      ],
       {force: true}
     );
   });
@@ -60,7 +63,8 @@
     .pipe(gulp.dest(options.tmp + '/css/'));
   });
 
-  gulp.task('copyCss', ['css'], function(){
+  // copy css in correct folder
+  gulp.task('copyCss', ['wait'], function(){
     return gulp.src([`${options.tmp}/css/*.css`])
     .pipe(concat('xosDiagnostic.css'))
     .pipe(gulp.dest(options.static + 'css/'))
@@ -69,8 +73,7 @@
   // compile and minify scripts
   gulp.task('scripts', function() {
     return gulp.src([
-      options.tmp + '**/*.js',
-      options.tmp + 'templates.js'
+      options.tmp + '**/*.js'
     ])
     .pipe(ngAnnotate())
     .pipe(angularFilesort())
@@ -86,19 +89,17 @@
     return gulp.src('./src/templates/*.html')
       .pipe(templateCache({
         module: 'xos.diagnostic',
-        root: 'templates/',
-        // templateFooter: TEMPLATE_FOOTER
+        root: 'templates/'
       }))
       .pipe(gulp.dest(options.tmp));
   });
 
   // copy html index to Django Folder
-  gulp.task('copyHtml', ['clean'], function(){
+  gulp.task('copyHtml', function(){
     return gulp.src(options.src + 'index.html')
       // remove dev dependencies from html
-      .pipe(replace(/<!-- bower:css -->(\n.*)*\n<!-- endbower --><!-- endcss -->/, ''))
-      .pipe(replace(/<!-- bower:js -->(\n.*)*\n<!-- endbower --><!-- endjs -->/, ''))
-      // .pipe(replace(/ng-app=".*"\s/, ''))
+      .pipe(replace(/<!-- bower:css -->(\n^<link.*)*\n<!-- endbower -->/gmi, ''))
+      .pipe(replace(/<!-- bower:js -->(\n^<script.*)*\n<!-- endbower -->/gmi, ''))
       // injecting minified files
       .pipe(
         inject(
@@ -139,30 +140,25 @@
       .pipe(eslint.failAfterError());
   });
 
-  // inject CSS
-  gulp.task('injectCss', function(){
-    return gulp.src(options.src + 'index.html')
-      .pipe(
-        inject(
-          gulp.src(options.src + 'css/*.css'),
-          {
-            ignorePath: [options.src]
-          }
-          )
-        )
-      .pipe(gulp.dest(options.src));
+  gulp.task('wait', function (cb) {
+    // setTimeout could be any async task
+    setTimeout(function () {
+      cb();
+    }, 1000);
   });
 
   gulp.task('build', function() {
     runSequence(
-      'lint',
+      'clean',
+      'sass',
       'templates',
       'babel',
       'scripts',
       'wiredep',
-      'injectCss',
+      'css',
+      'copyCss',
       'copyHtml',
-      'copyCss'
+      'cleanTmp'
     );
   });
 };
\ No newline at end of file
diff --git a/views/ngXosViews/diagnostic/gulp/server.js b/views/ngXosViews/diagnostic/gulp/server.js
index 194bd45..fbc605b 100644
--- a/views/ngXosViews/diagnostic/gulp/server.js
+++ b/views/ngXosViews/diagnostic/gulp/server.js
@@ -10,18 +10,24 @@
 var httpProxy = require('http-proxy');
 var del = require('del');
 var sass = require('gulp-sass');
+var fs = require('fs');
+var path = require('path');
 
 const environment = process.env.NODE_ENV;
 
-if (environment){
-  var conf = require(`../env/${environment}.js`);
-}
-else{
-  var conf = require('../env/default.js')
+if(!fs.existsSync(path.join(__dirname, `../../../env/${environment || 'default'}.js`))){
+  if(!environment){
+    throw new Error('You should define a default.js config in /views/env folder.');
+  }
+  else{
+    throw new Error(`Since you are loading a custom environment, you should define a ${environment}.js config in /views/env folder.`);
+  }
 }
 
+var conf = require(path.join(__dirname, `../../../env/${environment || 'default'}.js`));
+
 var proxy = httpProxy.createProxyServer({
-  target: conf.host || 'http://0.0.0.0:9999'
+  target: conf.host
 });
 
 
@@ -35,12 +41,8 @@
 
 module.exports = function(options){
 
-  // open in browser with sync and proxy to 0.0.0.0
   gulp.task('browser', function() {
     browserSync.init({
-      // reloadDelay: 500,
-      // logLevel: 'debug',
-      // logConnections: true,
       startPath: '#/',
       snippetOptions: {
         rule: {
@@ -50,14 +52,13 @@
       server: {
         baseDir: options.src,
         routes: {
-          '/api': options.api,
-          '/xosHelpers/src': options.helpers
+          '/xos/core/xoslib/static/js/vendor': options.helpers,
+          '/xos/core/static': options.static + '../../static/'
         },
         middleware: function(req, res, next){
           if(
-            req.url.indexOf('/xos/') !== -1 ||
-            req.url.indexOf('/xoslib/') !== -1 ||
-            req.url.indexOf('/hpcapi/') !== -1
+            req.url.indexOf('/?no_hyperlinks') !== -1 ||
+            req.url.indexOf('/api/') !== -1
           ){
             if(conf.xoscsrftoken && conf.xossessionid){
               req.headers.cookie = `xoscsrftoken=${conf.xoscsrftoken}; xossessionid=${conf.xossessionid}`;
@@ -85,17 +86,21 @@
     gulp.watch(`${options.sass}/**/*.scss`, ['sass'], function(){
       browserSync.reload();
     });
+
+    gulp.watch([
+      options.helpers + 'ngXosHelpers.js',
+      options.static + '../../static/xosNgLib.css'
+    ], function(){
+      browserSync.reload();
+    });
   });
 
+  // compile sass
   gulp.task('sass', function () {
     return gulp.src(`${options.sass}/**/*.scss`)
       .pipe(sass().on('error', sass.logError))
       .pipe(gulp.dest(options.css));
   });
-   
-  // gulp.task('sass:watch', function () {
-  //   gulp.watch('./sass/**/*.scss', ['sass']);
-  // });
 
   // transpile js with sourceMaps
   gulp.task('babel', function(){
@@ -111,8 +116,7 @@
         inject(
           gulp.src([
             options.tmp + '**/*.js',
-            options.api + '*.js',
-            options.helpers + '**/*.js'
+            options.helpers + 'ngXosHelpers.js'
           ])
           .pipe(angularFilesort()),
           {
@@ -128,7 +132,10 @@
     return gulp.src(options.src + 'index.html')
       .pipe(
         inject(
-          gulp.src(options.src + 'css/*.css'),
+          gulp.src([
+            options.src + 'css/*.css',
+            options.static + '../../static/xosNgLib.css'
+          ]),
           {
             ignorePath: [options.src]
           }