simplify helper

docker/helper/Dockerfile

@@ -1,28 +1,13 @@
 # create archive of golang dependancies
-FROM golang:1.10 as builder
+FROM cblomart/gobasebuild as builder
 
 COPY Makefile Makefile
 RUN make godeps
 RUN tar -zcf /tmp/go.tgz -C /go/ ./
 
-FROM docker AS docker
-
 # create a base image with necessary tooling and dependancies cache
-FROM golang:1.11
+FROM cblomart/gobasebuild
 LABEL maintainer="[email protected]"
 
-RUN apt-get update && apt-get install -y \
-    upx-ucl\
-    musl\
-    musl-tools &&\
-    apt-get clean &&\
-    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
-
-#RUN curl -SL https://download.docker.com/linux/static/stable/x86_64/docker-18.06.0-ce.tgz | tar -zxC /tmp &&\
-#    cp /tmp/docker/docker /usr/local/bin/docker &&\
-#    rm -rf /tmp/docker
-
-COPY --from=docker /usr/local/bin/docker /usr/local/bin/docker
-
 RUN mkdir -p /var/cache/drone
 COPY --from=builder /tmp/go.tgz /var/cache/drone/go.tgz