import type { NextConfig } from "next";

/**
 * Proxies /api/* and /openapi.json to the FastAPI backend.
 * In Docker both processes run in the same container, so the default
 * target is http://127.0.0.1:8000.  Override with NEXT_PUBLIC_API_ORIGIN
 * if the backend lives elsewhere (e.g. during local dev).
 */

const API_ORIGIN =
  process.env.NEXT_PUBLIC_API_ORIGIN ?? "http://127.0.0.1:8000";

const nextConfig: NextConfig = {
  output: "standalone",

  async rewrites() {
    return [
      {
        source: "/api/:path*",
        destination: `${API_ORIGIN}/api/:path*`,
      },
      {
        source: "/openapi.json",
        destination: `${API_ORIGIN}/openapi.json`,
      },
    ];
  },
};

export default nextConfig;