diff --git a/app/sitemap.ts b/app/sitemap.ts
new file mode 100644
index 0000000..4e3397c
--- /dev/null
+++ b/app/sitemap.ts
@@ -0,0 +1,37 @@
+import type { MetadataRoute } from "next";
+import { getAllArticles } from "@/lib/blog/get-articles";
+import { locales } from "@/middleware";
+
+const siteUrl = (
+    process.env.NEXT_PUBLIC_SITE_URL ?? "https://matheoguilbert.fr"
+).replace(/\/$/, "");
+
+export default function sitemap(): MetadataRoute.Sitemap {
+    const now = new Date();
+
+    const staticPages: MetadataRoute.Sitemap = locales.flatMap((locale) => [
+        {
+            url: `${siteUrl}/${locale}`,
+            lastModified: now,
+            changeFrequency: "monthly",
+            priority: 1,
+        },
+        {
+            url: `${siteUrl}/${locale}/blog`,
+            lastModified: now,
+            changeFrequency: "weekly",
+            priority: 0.8,
+        },
+    ]);
+
+    const blogPages: MetadataRoute.Sitemap = locales.flatMap((locale) =>
+        getAllArticles(locale).map((article) => ({
+            url: `${siteUrl}/${locale}/blog/${article.slug}`,
+            lastModified: new Date(article.date),
+            changeFrequency: "monthly",
+            priority: 0.7,
+        }))
+    );
+
+    return [...staticPages, ...blogPages];
+}
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