Fix urls

src/environments/environment.prod.ts

@@ -1,5 +1,5 @@
 export const environment = {
   production: true,
-  apiUrl: "https://flotte.duckdns.org/graphql", // graphql api url
+  apiUrl: "https://flotte.duckdns.org", // graphql api url without /graphql!
   authUrl: "https://flotte.duckdns.org/user-management" // user server url 
 };

src/environments/environment.ts

@@ -4,7 +4,7 @@
 
 export const environment = {
   production: false,
-  apiUrl: "https://flotte.duckdns.org/graphql",
+  apiUrl: "https://flotte.duckdns.org", // without /graphql !!!
   authUrl: "https://flotte.duckdns.org/user-management"
 };