Makes confd use watch flag. closes #22

dockerfiles/load-balancer/confd/Dockerfile

@@ -12,7 +12,7 @@ RUN \
 ADD confd /etc/confd
 
 RUN \
-  wget https://github.com/kelseyhightower/confd/releases/download/v0.6.3/confd-0.6.3-linux-amd64 -O confd && \
+  wget https://github.com/kelseyhightower/confd/releases/download/v0.7.1/confd-0.7.1-linux-amd64 -O confd && \
   chmod +x confd
 
 RUN \
@@ -21,4 +21,4 @@ RUN \
 
 VOLUME ["/etc/confd/", "/etc/haproxy"]
 ENTRYPOINT ["/confd"]
-CMD ["-interval=60", "-node=172.17.42.1:4001"]
+CMD ["-interval=60", "-node=172.17.42.1:4001", "-watch=true"]