link-stack/zammad-proxy/middleware.ts

import { NextResponse } from 'next/server'
import type { NextRequest } from 'next/server'

export function middleware(request: NextRequest) {
  console.log("INTO middleware")
  const path = request.nextUrl.pathname
  console.log({ path })

  console.log("INTO middleware 2")
  const finalURL = new URL(path.replace("/zammad", ""), process.env.ZAMMAD_URL)
  console.log(finalURL.toString())

  const requestHeaders = new Headers(request.headers)
  requestHeaders.set('X-Forwarded-User', 'darren@redaranj.com')
  requestHeaders.set('Host', 'zammad.example.com')

  console.log(requestHeaders)
  return NextResponse.rewrite(finalURL, {
    request: {
      headers: requestHeaders
    }
  })
}