diff --git a/app/src/app.d.ts b/app/src/app.d.ts
index 743f07b..d47a314 100644
--- a/app/src/app.d.ts
+++ b/app/src/app.d.ts
@@ -3,7 +3,9 @@
 declare global {
 	namespace App {
 		// interface Error {}
-		// interface Locals {}
+		interface Locals {
+			sessionId: string;
+		}
 		// interface PageData {}
 		// interface PageState {}
 		// interface Platform {}
diff --git a/app/src/hooks.server.ts b/app/src/hooks.server.ts
new file mode 100644
index 0000000..9497475
--- /dev/null
+++ b/app/src/hooks.server.ts
@@ -0,0 +1,30 @@
+import type { HandleServerError, Handle } from '@sveltejs/kit';
+import { sequence } from '@sveltejs/kit/hooks';
+import ejs from 'ejs';
+import { uuid } from '$lib/utils/uuid';
+
+const baseHandle: Handle = async ({ event, resolve }) => {
+	return resolve(event, {
+		transformPageChunk: ({ html }) =>
+			ejs.render(html, {
+				env: { COMMIT_SHA: process.env.COMMIT_SHA }
+			})
+	});
+};
+
+const handleSession: Handle = async ({ event, resolve }) => {
+	event.locals.sessionId = uuid();
+	return resolve(event);
+};
+
+export const handle = sequence(baseHandle, handleSession);
+
+export const handleError: HandleServerError = ({ error, status, event, message }) => {
+	console.error('handleServerError', { error, event });
+	const errorId = crypto.randomUUID();
+	return {
+		status,
+		message: `Internal Server Errors.\n${message}`,
+		errorId
+	};
+};
diff --git a/app/src/routes/+layout.server.ts b/app/src/routes/+layout.server.ts
index dfc9440..b5bfe23 100644
--- a/app/src/routes/+layout.server.ts
+++ b/app/src/routes/+layout.server.ts
@@ -1,10 +1,9 @@
-import { uuid } from '$lib/utils/uuid';
 import type { LayoutServerLoad } from './$types';
 
 export const ssr = true;
 export const prerender = false;
-export const load: LayoutServerLoad = () => {
+export const load: LayoutServerLoad = ({ locals }) => {
 	return {
-		sessionId: uuid()
+		sessionId: locals.sessionId
 	};
 };
diff --git a/app/src/routes/[sessionId=sessionId]/+page.server.ts b/app/src/routes/[sessionId=sessionId]/+page.server.ts
deleted file mode 100644
index 8f7085c..0000000
--- a/app/src/routes/[sessionId=sessionId]/+page.server.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-import { error } from '@sveltejs/kit';
-import type { PageServerLoad } from './$types';
-
-export const load: PageServerLoad = ({ url }) => {
-	const category = url.searchParams.get('category');
-	if (!category) error(400, 'Audio category was not found');
-
-	return {
-		category
-	};
-};
diff --git a/app/src/routes/[sessionId=sessionId]/+page.ts b/app/src/routes/[sessionId=sessionId]/+page.ts
new file mode 100644
index 0000000..8e5a07f
--- /dev/null
+++ b/app/src/routes/[sessionId=sessionId]/+page.ts
@@ -0,0 +1,14 @@
+import { error, redirect } from '@sveltejs/kit';
+import type { PageLoad } from './$types';
+
+export const load: PageLoad = async ({ url, parent }) => {
+	const category = url.searchParams.get('category');
+	if (!category) error(400, 'Audio category was not found');
+
+	const { sessionId } = await parent();
+	if (url.pathname !== `/${sessionId}`) redirect(307, '/');
+
+	return {
+		category
+	};
+};