Merge pull request #11 from smarterclayton/rhel7

ADd a RHEL7 dockerfile and standardize format

Dockerfile

@@ -1,25 +1,10 @@
-# Reproducible builder image
-FROM openshift/origin-release:golang-1.10 as builder
-
-# Workaround a bug in imagebuilder (some versions) where this dir will not be auto-created.
-RUN mkdir -p /go/src/github.com/openshift/cluster-autoscaler-operator
+FROM registry.svc.ci.openshift.org/openshift/release:golang-1.10 AS builder
 WORKDIR /go/src/github.com/openshift/cluster-autoscaler-operator
-
-# This expects that the context passed to the docker build command is
-# the cluster-autoscaler-operator directory.
-# e.g. docker build -t <tag> -f <this_Dockerfile> <path_to_cluster-autoscaler-operator>
 COPY . .
-
 ENV NO_DOCKER=1
-ENV GOPATH=/go
 ENV BUILD_DEST=/go/bin/cluster-autoscaler-operator
-
 RUN unset VERSION && make build
 
-# Final container
-FROM openshift/origin-base
-RUN yum install -y ca-certificates
-
-COPY --from=builder /go/bin/cluster-autoscaler-operator /
-
-CMD ["/cluster-autoscaler-operator"]
+FROM registry.svc.ci.openshift.org/openshift/origin-v4.0:base
+COPY --from=builder # /go/bin/cluster-autoscaler-operator /usr/bin/
+CMD ["/usr/bin/cluster-autoscaler-operator"]

Dockerfile.rhel7

@@ -0,0 +1,10 @@
+FROM registry.svc.ci.openshift.org/ocp/builder:golang-1.10 AS builder
+WORKDIR /go/src/github.com/openshift/cluster-autoscaler-operator
+COPY . .
+ENV NO_DOCKER=1
+ENV BUILD_DEST=/go/bin/cluster-autoscaler-operator
+RUN unset VERSION && make build
+
+FROM registry.svc.ci.openshift.org/ocp/4.0:base
+COPY --from=builder # /go/bin/cluster-autoscaler-operator /usr/bin/
+CMD ["/usr/bin/cluster-autoscaler-operator"]