Fix deploymentId in next.config.ts

next.config.ts

@@ -1,7 +1,17 @@
+import { execSync } from "node:child_process";
 import type { NextConfig } from "next";
 
+const getGitCommit = () => {
+	try {
+		return execSync("git rev-parse HEAD", { encoding: "utf8" }).trim();
+	} catch {
+		return undefined;
+	}
+};
+
 const nextConfig: NextConfig = {
-	serverExternalPackages: ["lzma-js"],
+	deploymentId: process.env.NEXT_DEPLOYMENT_ID?.trim() || getGitCommit(),
+	serverExternalPackages: ["lzma"],
 };
 
 export default nextConfig;