update configuration

app.js

@@ -47,7 +47,7 @@ app.use(session(
   {
     resave: true,
     saveUninitialized: true,
-    secret: 'thisisasecret'
+    secret: config.app.sessionSecret
   }
 ));
 app.use(flash());

config/config.js

@@ -3,7 +3,8 @@ module.exports = {
     app: {
       name: 'User Account Management',
       port: process.env.PORT || 9989,
-      host: 'http://localhost:9989'
+      host: 'http://localhost:9989',
+      sessionSecret: 'thisisasecret'
     },
     passport: {
       strategy: 'saml',
@@ -40,7 +41,8 @@ module.exports = {
     app: {
       name: 'User Account Management',
       port: process.env.PORT || 9989,
-      host: 'https://m4lab.hft-stuttgart.de/account'
+      host: 'https://m4lab.hft-stuttgart.de/account',
+      sessionSecret: 'thisisasecret'
     },
     passport: {
       strategy: 'saml',