After cloning the repo and running: `docker build -t localstack:latest .`
I can see the following errors:

```
Starting mock Lambda service (http port 4574)...
ERROR: Error forwarding request: HTTPConnectionPool(host='127.0.0.1', port=4564): Max retries exceeded with url: / (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f4c7b4e7c10>: Failed to establish a new connection: [Errno 111] Connection refused',)) Traceback (most recent call last):
  File "/opt/code/localstack/localstack/services/generic_proxy.py", line 216, in forward
    headers=forward_headers, stream=True)
  File "/opt/code/localstack/.venv/lib/python2.7/site-packages/requests/api.py", line 116, in post
    return request('post', url, data=data, json=json, **kwargs)
  File "/opt/code/localstack/.venv/lib/python2.7/site-packages/requests/api.py", line 60, in request
    return session.request(method=method, url=url, **kwargs)
  File "/opt/code/localstack/.venv/lib/python2.7/site-packages/requests/sessions.py", line 524, in request
    resp = self.send(prep, **send_kwargs)
  File "/opt/code/localstack/.venv/lib/python2.7/site-packages/requests/sessions.py", line 637, in send
    r = adapter.send(request, **kwargs)
  File "/opt/code/localstack/.venv/lib/python2.7/site-packages/requests/adapters.py", line 516, in send
    raise ConnectionError(e, request=request)
ConnectionError: HTTPConnectionPool(host='127.0.0.1', port=4564): Max retries exceeded with url: / (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f4c7b4e7c10>: Failed to establish a new connection: [Errno 111] Connection refused',))
```

I see the same thing when running `localstack start --docker` which is what I originally tried as I would like to use localstack for development purposes in an existing stack.

MacOS Mojave 10.14
Docker for Mac: 18.06.1-ce-mac73 (26764)
result = {
        'Label': '%s/%s' % (Namespace, MetricName),
        'Datapoints': datapoints
    }
    return result
def publish_result(ns, time_before, result, kwargs):
    if ns == 'lambda':
        publish_lambda_result(time_before, result, kwargs)
def publish_error(ns, time_before, e, kwargs):
    if ns == 'lambda':
        publish_lambda_error(time_before, kwargs)
def cloudwatched(ns):
    """ @cloudwatched(...) decorator for annotating methods to be monitored via CloudWatch """
    def wrapping(func):
        def wrapped(*args, **kwargs):
            time_before = now_utc()
            try:
                result = func(*args, **kwargs)
                publish_result(ns, time_before, result, kwargs)
            except Exception as e:
                publish_error(ns, time_before, e, kwargs)
                raise e
            finally:
                
                
                pass
            return result
        return wrapped
    return wrapping