

Update alpine in Dockerfile to latest version (3.7)
mreiferson/nsq,bitly/nsq,bitly/nsq,jehiah/nsq,jehiah/nsq,bitly/nsq,mreiferson/nsq,rpau/nsq,mreiferson/nsq,jehiah/nsq,nsqio/nsq,rpau/nsq,nsqio/nsq,mreiferson/nsq,jehiah/nsq,sparklxb/nsq,ploxiln/nsq,bitly/nsq,nsqio/nsq,nsqio/nsq,sparklxb/nsq,rpau/nsq,nsqio/nsq,bitly/nsq,ploxiln/nsq,ploxiln/nsq,mreiferson/nsq,ploxiln/nsq,jehiah/nsq,sparklxb/nsq,ploxiln/nsq,rpau/nsq,rpau/nsq,sparklxb/nsq,sparklxb/nsq