Add server identifier in conf.js

See #2927

browser/index.html

@@ -307,6 +307,7 @@
 
 
         <div id="menu_right_part">
+            <div id="server-id" class="menu"></div>
             
             <div id="fps" style="display: none"> </div>
             <div id="header_messages" class="message_container header"></div>

browser/js/model_loader.js

@@ -45,6 +45,9 @@ Model_loader.prototype = {
         if (typeof config != 'undefined' && typeof config.autoload_analysis != 'undefined')
             params.analysis = config.autoload_analysis
 
+        if (typeof config != 'undefined' && typeof config.server_id != 'undefined')
+            document.getElementById('server-id').innerText = config.server_id
+
         /** load the default vidjil file, open the database or display the welcome popup depending on the case*/
         if (typeof params.data !== "undefined") {
             if (typeof params.analysis !== "undefined"){

doc/server.md

@@ -731,6 +731,8 @@ Now we need to configure the database connection parameters:
     ```
 
 This tells the browser to access the server on the current domain.
+You may also add a variable called `server_id` in order to name different
+instances and environments; it will be displayed in the top menu.
 
   - copy vidjil/server/web2py/applications/vidjil/modules/defs.py.sample
     to vidjil/server/web2py/applications/vidjil/modules/defs.py

docker/vidjil-client/conf/conf.js

@@ -16,6 +16,7 @@ var config = {
      */
 
     /* 1) Patient database */
+    "server_id" : "",
     "use_database" : true,
     "db_address" : "https://localhost/vidjil/", // Public test server
     "login" : "",