first attempt at rancher/docker

Dockerfile

@@ -2,20 +2,8 @@
 #
 #     docker build --rm=true -t plugins/drone-docker .
 
-FROM ubuntu:14.04
-
-RUN apt-get update -qq                                   \
-	&& apt-get -y install curl                       \ 
-		apt-transport-https                      \
-		ca-certificates                          \
-		curl                                     \
-		lxc                                      \
-		iptables                                 \
-	&& curl -sSL https://get.docker.com/ubuntu/ | sh \
-	&& rm -rf /var/lib/apt/lists/*
+FROM rancher/docker
 
 ADD drone-docker /go/bin/
-ADD wrapdocker /bin/
 
-VOLUME /var/lib/docker
 ENTRYPOINT ["/go/bin/drone-docker"]