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)
LOGGER.info('Putting %s items to table...' % num_events_ddb)
    table = dynamodb.Table(TEST_TABLE_NAME)
    for i in range(0, num_put_new_items):
        table.put_item(Item={
            PARTITION_KEY: 'testId%s' % i,
            'data': 'foobar123'
        })
    
    for i in range(0, num_put_existing_items):
        table.put_item(Item={
            PARTITION_KEY: 'testId%s' % i,
            'data': 'foobar123_put_existing'
        })
    
    dynamodb.batch_write_item(RequestItems={TEST_TABLE_NAME: [
        {'PutRequest': {'Item': {PARTITION_KEY: short_uid(), 'data': 'foobar123 ✓'}}},
        {'PutRequest': {'Item': {PARTITION_KEY: short_uid(), 'data': 'foobar123 £'}}},
        {'PutRequest': {'Item': {PARTITION_KEY: short_uid(), 'data': 'foobar123 ¢'}}}
    ]})
    # up
    for i in range(0, num_updates_ddb):
        dynamodb_service.update_item(TableName=TEST_TABLE_NAME,
            Key={PARTITION_KEY: {'S': 'testId%s' % i}},
            AttributeUpdates={'data': {
                'Action': 'PUT',
                'Value': {'S': 'foobar123_updated'}
            }})
    # pu
    num_events_kinesis = 10
    LOGGER.info('Putting %s items to stream...' % num_events_kinesis)