diff --git a/views/ngXosViews/developer/env/default.js b/views/ngXosViews/developer/env/default.js
deleted file mode 100644
index 56a6b77..0000000
--- a/views/ngXosViews/developer/env/default.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// This is a default configuration for your development environment.
-// You can duplicate this configuration for any of your Backend Environments.
-// Different configurations are loaded setting a NODE_ENV variable that contain the config file name.
-// `NODE_ENV=local npm start`
-//
-// If xoscsrftoken or xossessionid are not specified the browser value are used
-// (works only for local environment as both application are served on the same domain)
-
-module.exports = {
-  host: 'http://xos.dev:9999/',
-  xoscsrftoken: 'Di0iR0Sjg6ZLb0icOtuBqnh5AmE1ddKW',
-  xossessionid: 'oem5kppdaihc6pa5qa2ojtxt1r0xterh'
-};
diff --git a/views/ngXosViews/developer/env/mock.js b/views/ngXosViews/developer/env/mock.js
deleted file mode 100644
index 777c149..0000000
--- a/views/ngXosViews/developer/env/mock.js
+++ /dev/null
@@ -1,11 +0,0 @@
-// This is a default configuration for your development environment.
-// You can duplicate this configuration for any of your Backend Environments.
-// Different configurations are loaded setting a NODE_ENV variable that contain the config file name.
-// `NODE_ENV=local npm start`
-//
-// If xoscsrftoken or xossessionid are not specified the browser value are used
-// (works only for local environment as both application are served on the same domain)
-
-module.exports = {
-  host: 'http://127.0.0.1:4000/'
-};
diff --git a/views/ngXosViews/developer/gulp/build.js b/views/ngXosViews/developer/gulp/build.js
index f86af0f..87e68d8 100644
--- a/views/ngXosViews/developer/gulp/build.js
+++ b/views/ngXosViews/developer/gulp/build.js
@@ -150,6 +150,7 @@
   gulp.task('build', function() {
     runSequence(
       'clean',
+      'sass',
       'templates',
       'babel',
       'scripts',
diff --git a/views/ngXosViews/developer/gulp/server.js b/views/ngXosViews/developer/gulp/server.js
index c0678d9..1e40a34 100644
--- a/views/ngXosViews/developer/gulp/server.js
+++ b/views/ngXosViews/developer/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
 });
 
 
@@ -51,10 +57,6 @@
         },
         middleware: function(req, res, next){
           if(
-            // to be removed, deprecated API
-            // req.url.indexOf('/xos/') !== -1 ||
-            // req.url.indexOf('/xoslib/') !== -1 ||
-            // req.url.indexOf('/hpcapi/') !== -1 ||
             req.url.indexOf('/api/') !== -1
           ){
             if(conf.xoscsrftoken && conf.xossessionid){
diff --git a/views/ngXosViews/developer/src/templates/users-list.tpl.html b/views/ngXosViews/developer/src/templates/users-list.tpl.html
new file mode 100644
index 0000000..1fee0e2
--- /dev/null
+++ b/views/ngXosViews/developer/src/templates/users-list.tpl.html
@@ -0,0 +1 @@
+<xos-table config="vm.tableConfig" data="vm.users"></xos-table>
\ No newline at end of file