Merge pull request #6749 from backstage/rugvip/basepath

core-app-api: add support for serving the app on a base path other than /

packages/create-app/templates/default-app/packages/app/src/App.tsx

@@ -42,7 +42,7 @@ const AppRouter = app.getRouter();
 
 const routes = (
   <FlatRoutes>
-    <Navigate key="/" to="/catalog" />
+    <Navigate key="/" to="catalog" />
     <Route path="/catalog" element={<CatalogIndexPage />} />
     <Route
       path="/catalog/:namespace/:kind/:name"

packages/create-app/templates/default-app/packages/app/src/components/Root/Root.tsx

@@ -77,7 +77,7 @@ export const Root = ({ children }: PropsWithChildren<{}>) => (
       <SidebarSearch />
       <SidebarDivider />
       {/* Global nav, not org-specific */}
-      <SidebarItem icon={HomeIcon} to="/catalog" text="Home" />
+      <SidebarItem icon={HomeIcon} to="catalog" text="Home" />
       <SidebarItem icon={ExtensionIcon} to="api-docs" text="APIs" />
       <SidebarItem icon={LibraryBooks} to="docs" text="Docs" />
       <SidebarItem icon={CreateComponentIcon} to="create" text="Create..." />