Multiple ngrok tunnels in same process

run-ngrok.sh

(
sleep 1
curl --request POST \
  --url http://localhost:4040/api/tunnels \
  --header 'content-type: application/json' \
  --data '{
	"addr": 8081,
	"proto": "http",
	"name": "voyage-js",
	"subdomain": "jdwolk-voyage-js"
}'
curl --request POST \
  --url http://localhost:4040/api/tunnels \
  --header 'content-type: application/json' \
  --data '{
	"addr": 5000,
	"proto": "http",
	"name": "tracking",
	"subdomain": "jdwolk-tracking",
	"host-header": "rewrite 0.0.0.0:5000"
}'
) &

ngrok http -subdomain=jdwolk -host-header=rewrite 0.0.0.0:3000