dropping use of separate start file

Dockerfile

@@ -4,14 +4,8 @@ MAINTAINER Thomas Urban <thomas.urban@cepharum.de>
 ADD https://releases.hashicorp.com/consul/0.6.3/consul_0.6.3_linux_amd64.zip /tmp/consul.zip
 RUN cd /bin && unzip /tmp/consul.zip && chmod +x /bin/consul && rm /tmp/consul.zip
 
-ADD ./start /bin/start
-
 EXPOSE 8300 8301 8301/udp 8302 8302/udp 8400 8500 53/udp
 
 VOLUME /etc/consul /var/spool/consul 
 
-ENV SHELL /bin/bash 
-
-ENTRYPOINT ["/bin/start"]
-
-CMD []
+ENTRYPOINT ["/bin/consul", "agent", "-config-file", "/etc/consul/config"]

start

 #!/bin/sh
 
-# convert listed server nodes into options for joining their cluster on start
-JOINS="$(for IP in $(awk '$NF>0' </etc/consul/servers | xargs -- getent ahostsv4 | awk '{print $1}' | uniq); do echo "-retry-join=$IP"; done)" 
-
-consul agent -config-file /etc/consul/config -client="127.0.0.1" $JOINS
+consul agent -config-file /etc/consul/config