JWC services on Hetzner — one host per service, same shape as Cloud Run.

  https://v14.5.78.156.195.sslip.io           jwc-v14-forecast-api            X-API-Key
  https://external.5.78.156.195.sslip.io      fp-forecast-external-api        ?key=
  https://buybox-v3.5.78.156.195.sslip.io     jwc-buybox-forecast-api-v3      X-API-Key
  https://buybox-v1.5.78.156.195.sslip.io     jwc-buybox-forecast-api         X-API-Key
  https://buybox-price.5.78.156.195.sslip.io  jwc-buybox-price-forecast-api   X-API-Key
  https://eu.5.78.156.195.sslip.io            jwc-eu-forecast-api             X-API-Key
  https://pd.5.78.156.195.sslip.io            product-discovery-api           (no auth)

Paths are passed through unchanged, so every upstream route works exactly as it
did on *.run.app — e.g. https://v14.5.78.156.195.sslip.io/v14/forecast