Correct Docker health check (#3145)
Correct Docker health check (#3145)


adriancole/zipkin,twitter/zipkin,twitter/zipkin,twitter/zipkin,openzipkin/zipkin,adriancole/zipkin,adriancole/zipkin,openzipkin/zipkin,openzipkin/zipkin,twitter/zipkin,adriancole/zipkin,openzipkin/zipkin,openzipkin/zipkin