Github user karol-brejna-i commented on the issue:
https://github.com/apache/incubator-gearpump/pull/233
The third problem - works for me on Ubuntu 16.04.
```
[DEBUG] [05:25:55.233] [Docker$] Container master0====>> curl
http://master0:8090/api/v1.0/master
[DEBUG] [05:25:55.233] [Docker$] INPUT==>>
[DEBUG] [05:25:55.233] [ShellExec$] EXEC master0 => `docker exec master0
curl -s --cookie cookie.txt http://master0:8090/api/v1.0/master`
[DEBUG] [05:25:55.379] [ShellExec$] EXEC master0 <=
`{"masterDescription":{"leader":{"host":"master@master0","port":3000},"cluster":[{"host":"master0","port":3000}],"aliveFor":"8068","logFile":"/opt/gearpump/var/log/gearpump/daemon","jarStore":"jarstore...`
exit 0
[DEBUG] [05:25:55.379] [Docker$] <<==OUTPUT
```
Checking on Mac...
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