VOL-381 add unum container to support ONOS cluster formation under swarm

Change-Id: Ic260edda19bb199ed040f05164ab605f28c919d0
diff --git a/unum/Dockerfile b/unum/Dockerfile
new file mode 100644
index 0000000..a977bc7
--- /dev/null
+++ b/unum/Dockerfile
@@ -0,0 +1,36 @@
+## Copyright 2017 Open Networking Foundation
+##
+## Licensed under the Apache License, Version 2.0 (the "License");
+## you may not use this file except in compliance with the License.
+## You may obtain a copy of the License at
+##
+## http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+FROM golang:1.8-alpine as builder
+MAINTAINER Open Networking Foundation <info@onlab.us>
+
+WORKDIR /go
+ADD . /go/src/gerrit.opencord.org/unum
+RUN go build -o /build/entry-point gerrit.opencord.org/unum
+
+FROM alpine:3.6
+MAINTAINER Open Networking Foundation <info@onlab.us>
+
+COPY --from=builder /build/entry-point /service/entry-point
+
+LABEL org.label-schema.description="Provides cluster management for ONOS" \
+      org.label-schema.schema-version="1.0" \
+      org.label-schema.url="http://opencord.org" \
+      org.label-schema.vcs-url="https://gerrit.opencord.org/#/admin/projects/voltha" \
+      org.label-schema.vendor="Open Networking Foundation" \
+      org.label-schema.version="1.0.0" \
+      org.label-schema.name="unum"
+
+WORKDIR /service
+ENTRYPOINT ["/service/entry-point"]
+