Keep the backwards compatibility for routing configuration

lib/cartodb/api/api-router.js

@@ -202,11 +202,6 @@ 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

@@ -129,11 +129,6 @@ 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

@@ -57,12 +57,6 @@ 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_options.js

@@ -58,16 +58,8 @@ var analysisConfig = _.defaults(global.environment.analysis || {}, {
     limits: {}
 });
 
-module.exports = {
-    bind: {
-        port: global.environment.port,
-        host: global.environment.host
-    },
-    // Base URLs for the APIs
-    //
-    // See http://github.com/CartoDB/Windshaft-cartodb/wiki/Unified-Map-API
-    routes: global.environment.routes || {
-        api: {
+const routesConfig = global.environment.routes || {
+    api: [{
         paths: [
             '/api/v1',
             '/user/:user/api/v1',
@@ -86,8 +78,32 @@ module.exports = {
                 '/map/named'
             ]
         }]
+    }]
+};
+
+if (!Array.isArray(routesConfig.api)) {
+    routesConfig.api = [ routesConfig.api ];
 }
+
+routesConfig.api.forEach(route => {
+    if (!Array.isArray(route.map)) {
+        route.map = [ route.map ];
+    }
+
+    if (!Array.isArray(route.template)) {
+        route.template = [ route.template ];
+    }
+});
+
+module.exports = {
+    bind: {
+        port: global.environment.port,
+        host: global.environment.host
     },
+    // Base URLs for the APIs
+    //
+    // See http://github.com/CartoDB/Windshaft-cartodb/wiki/Unified-Map-API
+    routes: routesConfig,
     grainstore: {
         map: {
             // TODO: allow to specify in configuration