message: oc should have all the commons things
diff: +ARG IMAGE_REPO
  +FROM ${IMAGE_REPO:-lagoon}/commons as commons
  FROM golang:alpine as golang
  RUN apk add --no-cache git
  @@ -5,8 +7,23 @@ RUN go get github.com/a8m/envsubst/cmd/envsubst
  FROM docker:stable
  +MAINTAINER amazee.io
  +ENV LAGOON=oc
  +
  COPY --from=golang /go/bin/envsubst /bin/envsubst
  +# Copying commons files
  +COPY --from=commons /lagoon /lagoon
  +COPY --from=commons /bin/fix-permissions /bin/ep /bin/docker-sleep /bin/
  +COPY --from=commons /home /home
  +
  +RUN chmod g+w /etc/passwd \
  + && mkdir -p /home
  +
  +# When Bash is invoked via `sh` it behaves like the old Bourne Shell and sources a file that is given in `ENV`
  +# When Bash is invoked as non-interactive (like `bash -c command`) it sources a file that is given in `BASH_ENV`
  +ENV TMPDIR=/tmp TMP=/tmp HOME=/home ENV=/home/.bashrc BASH_ENV=/home/.bashrc
  +
  ENV OC_VERSION=v3.6.0 \
  OC_HASH=c4dd4cf \
  OC_SHA256=ecb0f52560ac766331052a0052b1de646011247f637c15063f4d74432e1ce389 \
  