localhost:5000 unavailable in macOS v12 (Monterey)
macOS Monterey introduced AirPlay Receiver running on port 5000. This prevents your web server from serving on port 5000. Receiver already has the port. You can either: turn off AirPlay Receiver, or; run the server on a different port (normally best). Turn off AirPlay Receiver Go to System Preferences → Sharing → Untick Airplay Receiver. …