Temporary workaround to not depend on configuration changes

lib/cartodb/api/api-router.js

@@ -202,6 +202,11 @@ module.exports = class ApiRouter {
             app.layergroupAffectedTablesCache = this.layergroupAffectedTablesCache;
         }
 
+        // TODO: remove it before releasing next major version
+        if (!Array.isArray(routes)) {
+            routes = [ routes ];
+        }
+
         routes.forEach(route => {
             const apiRouter = router({ mergeParams: true });
             const { paths, middlewares = [] } = route;

lib/cartodb/api/map/map-router.js

@@ -129,6 +129,11 @@ module.exports = class MapRouter {
     route (apiRouter, routes) {
         const mapRouter = router({ mergeParams: true });
 
+        // TODO: remove it before releasing next major version
+        if (!Array.isArray(routes)) {
+            routes = [ routes ];
+        }
+
         routes.forEach(route => {
             const { paths, middlewares = [] } = route;
 

lib/cartodb/api/template/template-router.js

@@ -57,6 +57,12 @@ module.exports = class TemplateRouter {
     route (apiRouter, routes) {
         const templateRouter = router({ mergeParams: true });
 
+        // TODO: remove it before releasing next major version
+        if (!Array.isArray(routes)) {
+            routes = [ routes ];
+        }
+
+
         routes.forEach(route => {
             const { paths, middlewares = [] } = route;
 

lib/cartodb/server.js

@@ -33,6 +33,12 @@ module.exports = function createServer (serverOptions) {
     app.set('json replacer', jsonReplacer());
 
     const apiRouter = new ApiRouter({ serverOptions, environmentOptions: global.environment });
+
+    // TODO: remove it before releasing next major version
+    if (!Array.isArray(serverOptions.routes.api)) {
+        serverOptions.routes.api = [ serverOptions.routes.api ];
+    }
+
     apiRouter.route(app, serverOptions.routes.api);
 
     const versions = getAndValidateVersions(serverOptions);