first commit

app/api/upload/route.ts

@@ -0,0 +1,23 @@
+import { NextResponse } from "next/server";
+import { mkdir, writeFile } from "fs/promises";
+import path from "path";
+import crypto from "crypto";
+
+export const runtime = "nodejs"; // 파일 시스템 사용
+
+export async function POST(req: Request) {
+  const form = await req.formData();
+  const file = form.get("file") as File | null;
+  if (!file) return NextResponse.json({ ok: false, error: "NO_FILE" }, { status: 400 });
+
+  const bytes = Buffer.from(await file.arrayBuffer());
+  const ext = (file.name.split(".").pop() || "png").toLowerCase();
+  const name = `${crypto.randomUUID()}.${ext}`;
+  const dir = path.join(process.cwd(), "public", "uploads");
+  await mkdir(dir, { recursive: true });
+  await writeFile(path.join(dir, name), bytes);
+
+  // 정적 서빙: public/uploads/...
+  const url = `/uploads/${name}`;
+  return NextResponse.json({ ok: true, url });
+}