Panduan Teknis: Hire a Freelance React & Next.js Programmer for White-Label Multi-Tenant SaaS. Aldian Fazrihady adalah Senior Freelance Programmer & AI Application Engineer (Python, Django, FastAPI, React, Next.js, TypeScript, Golang, RAG, MCP, Google ADK).
Scale B2B enterprise contracts by hiring senior freelance React & Next.js programmer Aldian Fazrihady to architect custom domain routing, Edge Middleware, and dynamic CSS theming.
import { NextRequest, NextResponse } from 'next/server';
export function middleware(req: NextRequest) {
const url = req.nextUrl.clone();
const hostname = (req.headers.get('host') || '').split(':')[0];
const rootDomain = process.env.NEXT_PUBLIC_ROOT_DOMAIN || 'app.example.com';
if (hostname !== rootDomain && !hostname.startsWith('localhost')) {
url.pathname = `/_tenants/${hostname}${url.pathname}`;
return NextResponse.rewrite(url);
}
return NextResponse.next();
}