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diff --git a/urls.js b/urls.js
index 23349f264..8a79fc855 100644
--- a/urls.js
+++ b/urls.js
@@ -1,52 +1,51 @@
-const baseUrl = 'http://localhost:6012';
+const baseUrl = process.env.BACKSTOP_BASE_URL || 'http://localhost:6012';
 
-// List of routes with paths and labels
+// List of routes organized by section
+const routes = {
+  // Main pages
+  main: [
+    { label: 'Homepage', path: '/' },
+    { label: 'Add Service', path: '/add-service' },
+    { label: 'Support', path: '/support' },
+    { label: 'Notify.gov Service Ending', path: '/notify-service-ending' },
+    { label: 'Notify.gov Sign In', path: '/sign-in' },
+  ],
+
+  // Using Notify section
+  usingNotify: [
+    { label: 'Get Started', path: '/using-notify/get-started' },
+    { label: 'Trial Mode', path: '/using-notify/trial-mode' },
+    { label: 'Pricing', path: '/using-notify/pricing' },
+    { label: 'Delivery Status', path: '/using-notify/delivery-status' },
+    { label: 'How To', path: '/using-notify/how-to' },
+    { label: 'Best Practices', path: '/using-notify/best-practices' },
+  ],
+
+  // Best Practices subsection
+  bestPractices: [
+    { label: 'Clear Goals', path: '/using-notify/best-practices/clear-goals' },
+    { label: 'Rules And Regulations', path: '/using-notify/best-practices/rules-and-regulations' },
+    { label: 'Establish Trust', path: '/using-notify/best-practices/establish-trust' },
+    { label: 'Write For Action', path: '/using-notify/best-practices/write-for-action' },
+    { label: 'Multiple Languages', path: '/using-notify/best-practices/multiple-languages' },
+    { label: 'Benchmark Performance', path: '/using-notify/best-practices/benchmark-performance' },
+  ],
+
+  // About section
+  about: [
+    { label: 'About', path: '/about' },
+    { label: 'Why Text Messaging', path: '/about/why-text-messaging' },
+    { label: 'Security', path: '/about/security' },
+  ],
+};
+
+// Flatten all routes into a single array
 const sublinks = [
-  { label: 'Homepage', path: '/' },
-  { label: 'Add Service', path: '/add-service' },
-  { label: 'Get Started', path: '/using-notify/get-started' },
-  { label: 'Trial Mode', path: '/using-notify/trial-mode' },
-  { label: 'Pricing', path: '/using-notify/pricing' },
-  { label: 'Delivery Status', path: '/using-notify/delivery-status' },
-  { label: 'How To', path: '/using-notify/how-to' },
-  { label: 'Support', path: '/support' },
-  { label: 'Best Practices', path: '/using-notify/best-practices' },
-  { label: 'Clear Goals', path: '/using-notify/best-practices/clear-goals' },
-  {
-    label: 'Rules And Regulations',
-    path: '/using-notify/best-practices//rules-and-regulations',
-  },
-  { label: 'Establish Trust', path: '/using-notify/best-practices//establish-trust' },
-  {
-    label: 'Write For Action',
-    path: '/using-notify/best-practices//write-for-action',
-  },
-  {
-    label: 'Multiple Languages',
-    path: '/using-notify/best-practices//multiple-languages',
-  },
-  {
-    label: 'Benchmark Performance',
-    path: '/using-notify/best-practices//benchmark-performance',
-  },
-  {
-    label: 'About',
-    path: '/about',
-  },
-  {
-    label: 'Why Text Messaging',
-    path: '/about/why-text-messaging',
-  },
-  {
-    label: 'Security',
-    path: '/about/security',
-  },
-  {
-    label: 'Notify.gov Service Ending',
-    path: '/notify-service-ending',
-  },
-
-  // Add more links here as needed
+  ...routes.main,
+  ...routes.usingNotify,
+  ...routes.bestPractices,
+  ...routes.about,
+  // Add more sections here as needed
 ];
 
 const createFullUrl = (base, path) => `${base}${path}`;