fix: update OG image URL generation for production environment

apps/website/app/[locale]/blog/[slug]/page.tsx

@@ -37,7 +37,9 @@ export async function generateMetadata(
 
 	const ogUrl = new URL(
 		`/${locale}/api/og`,
-		process.env.NEXT_PUBLIC_APP_URL || "http://localhost:3000",
+		process.env.NODE_ENV === "production"
+			? "https://dokploy.com"
+			: "http://localhost:3000",
 	);
 	ogUrl.searchParams.set("slug", slug);