diff --git a/bun.lockb b/bun.lockb
index 5a74fd7..0500fdd 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/functions/bugs-tunnel.js b/functions/bugs-tunnel.js
new file mode 100644
index 0000000..2ce02a3
--- /dev/null
+++ b/functions/bugs-tunnel.js
@@ -0,0 +1,24 @@
+export async function onRequestPost({request}) {
+    let {readable, writable} = new TransformStream();
+    await request.body.pipeTo(writable);
+    const [header, body] = readable.tee();
+    let decoder = new TextDecoder();
+    let chunk = '';
+    const headerReader = header.getReader();
+    while (true) {
+        const {done, value} = await headerReader.read();
+        if (done) break;
+        chunk += decoder.decode(value);
+        const index = chunk.indexOf('\n');
+        if (index >= 0) {
+            const line = chunk.slice(0, index);
+            const dsn = new URL(JSON.parse(line).dsn);
+            const headers = request.headers;
+            headers.set('X-Forwarded-For', request.headers.get('CF-Connecting-IP'));
+            return fetch(`https://${dsn.host}/api${dsn.pathname}/envelope/`, {
+                method: 'POST', body, headers,
+            });
+        }
+    }
+    return new Response(null, {status: 404});
+}
diff --git a/package.json b/package.json
index 8371f3e..4759153 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     }
   },
   "dependencies": {
+    "@sentry/vue": "^7.98.0",
     "bootstrap": "^5.3.2",
     "vue": "^3.4.15"
   },
diff --git a/src/env.d.ts b/src/env.d.ts
index 760da20..d36bee6 100644
--- a/src/env.d.ts
+++ b/src/env.d.ts
@@ -4,6 +4,7 @@ interface ImportMetaEnv {
     readonly VITE_APP_VERSION: string
     readonly VITE_UMAMI_ID: string
     readonly VITE_UMAMI_SRC: string
+    readonly VITE_SENTRY_DSN: string;
 }
 
 interface ImportMeta {
diff --git a/src/main.ts b/src/main.ts
index 22cc151..68106d9 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,5 +1,21 @@
-import { createApp } from 'vue'
-import 'bootstrap/scss/bootstrap.scss'
-import App from './App.vue'
+import {createApp} from 'vue';
+import 'bootstrap/scss/bootstrap.scss';
+import App from './App.vue';
+import * as Sentry from '@sentry/vue';
 
-createApp(App).mount('#app')
+const app = createApp(App);
+
+if (import.meta.env.PROD && import.meta.env.VITE_SENTRY_DSN) {
+    Sentry.init({
+        app,
+        tunnel: '/bugs-tunnel',
+        dsn: import.meta.env.VITE_SENTRY_DSN,
+        environment: import.meta.env.MODE,
+        integrations: [Sentry.replayIntegration()],
+        replaysSessionSampleRate: 1.0,
+        replaysOnErrorSampleRate: 1.0,
+        tracePropagationTargets: ['localhost', 'sentry.gander.pl'],
+    });
+}
+
+app.mount('#app');