Next.js server proxy rehberi

DRAEVA_API_KEY=admin_panel_value

// app/api/background-removal/route.ts
export const runtime = "nodejs";

export async function POST(request: Request): Promise<Response> {
  const key = process.env.DRAEVA_API_KEY;
  if (!key) return Response.json({ error: "not_configured" }, { status: 503 });

  const incoming = await request.formData();
  const image = incoming.get("image");
  if (!(image instanceof File)) {
    return Response.json({ error: "missing_file" }, { status: 400 });
  }

  const upstream = new FormData();
  upstream.set("image", image, image.name);
  const response = await fetch(
    "https://api.getdraeva.com/bg/v1/background-removals",
    {
      method: "POST",
      headers: { Authorization: `Bearer ${key}` },
      body: upstream,
      cache: "no-store",
      signal: AbortSignal.timeout(45_000),
    },
  );

  const requestId = response.headers.get("x-request-id");
  if (!response.ok) {
    // Parse application/problem+json and map `type` to your public error contract.
    return Response.json(
      { error: "processing_failed", requestId },
      { status: response.status === 429 ? 429 : 503 },
    );
  }

  if (!response.headers.get("content-type")?.startsWith("image/png")) {
    return Response.json({ error: "invalid_upstream_response", requestId }, { status: 503 });
  }

  return new Response(await response.arrayBuffer(), {
    headers: {
      "Content-Type": "image/png",
      "Cache-Control": "no-store",
      ...(requestId ? { "X-Request-Id": requestId } : {}),
    },
  });
}