CORD-1551 - updated maas makefiles and multi-stage dockerfile

Change-Id: I0bab86e0207edb12f553ddcfe040882f04f34f25
diff --git a/ip-allocator/Dockerfile.allocator b/ip-allocator/Dockerfile.allocator
new file mode 100644
index 0000000..9108ffa
--- /dev/null
+++ b/ip-allocator/Dockerfile.allocator
@@ -0,0 +1,33 @@
+## Copyright 2016 Open Networking Laboratory
+##
+## 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:1.7-alpine as builder
+MAINTAINER Open Networking Laboratory <info@onlab.us>
+
+WORKDIR /go
+ADD . /go/src/gerrit.opencord.org/maas/cord-ip-allocator
+RUN go build -o /build/entry-point gerrit.opencord.org/maas/cord-ip-allocator
+
+FROM alpine:3.5
+MAINTAINER Open Networking Laboratory <info@onlab.us>
+
+copy --from=builder  /build/entry-point /service/entry-point
+
+LABEL org.label-schema.name="allocator" \
+      org.label-schema.description="Provides IP address allocation for fabric interfaces" \
+      org.label-schema.vcs-url="https://gerrit.opencord.org/maas" \
+      org.label-schema.vendor="Open Networking Laboratory" \
+      org.label-schema.schema-version="1.0"
+
+WORKDIR /service
+ENTRYPOINT ["/service/entry-point"]