Doesnt work with localhost?

[iacobucci]

I used hey to profile a server on AWS, but im getting this error with localhost:

vale@msi:~% hey "http://localhost:3000/users/whoLikedPostsByAuthorsActiveRecord?authors=user-1"

Summary:
Total: 0.0170 secs
Slowest: 0.0000 secs
Fastest: 0.0000 secs
Average: NaN secs
Requests/sec: 11770.1513


Response time histogram:


Latency distribution:

Details (average, fastest, slowest):
DNS+dialup: NaN secs, 0.0000 secs, 0.0000 secs
DNS-lookup: NaN secs, 0.0000 secs, 0.0000 secs
req write: NaN secs, 0.0000 secs, 0.0000 secs
resp wait: NaN secs, 0.0000 secs, 0.0000 secs
resp read: NaN secs, 0.0000 secs, 0.0000 secs

Status code distribution:

Error distribution:
[200] Get "http://localhost:3000/users/whoLikedPostsByAuthorsActiveRecord?authors=user-1": dial tcp 127.0.0.1:3000: connect: connection refused