VOL-1619: Redo Makefile and Dockerfile to new standard

Needed for proper releases

Change-Id: I8d43f9b87e3a077340420ea810f4da97d642090b
diff --git a/docker/Dockerfile.openolt b/docker/Dockerfile.openolt
index 0e20b44..a0a2554 100644
--- a/docker/Dockerfile.openolt
+++ b/docker/Dockerfile.openolt
@@ -1,13 +1,27 @@
+# Copyright 2016 the original author or authors.
+#
+# 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.
+
 # -------------
 # Build stage
 
-FROM golang:1.10-alpine3.9 AS build-env
+FROM golang:1.12-alpine3.9 AS build-env
 
 # Install required packages
 RUN apk add --no-cache wget git make build-base protobuf protobuf-dev
 
 # Prepare directory structure
-RUN ["mkdir", "-p", "/src"]
+RUN ["mkdir", "-p", "/build"]
 RUN ["mkdir", "-p", "$GOPATH/src", "$GOPATH/pkg", "$GOPATH/bin"]
 RUN ["mkdir", "-p", "$GOPATH/src/github.com/opencord"]
 RUN ["mkdir", "-p", "$GOPATH/src/github.com/opencord/voltha-openolt-adapter"]
@@ -20,17 +34,30 @@
 COPY *.go ./
 
 # Build openolt
-RUN go build -o /src/openolt
-
+RUN go build -o /build/openolt
 
 # -------------
 # Image creation stage
 
-FROM alpine:3.9
+FROM alpine:3.9.4
 
 # Set the working directory
 WORKDIR /app
 
 # Copy required files
-COPY --from=build-env /src/openolt /app/
+COPY --from=build-env /build/openolt /app/
 
+# Label image
+ARG org_label_schema_version=unknown
+ARG org_label_schema_vcs_url=unknown
+ARG org_label_schema_vcs_ref=unknown
+ARG org_label_schema_build_date=unknown
+ARG org_opencord_vcs_commit_date=unknown
+
+LABEL org.label-schema.schema-version=1.0 \
+      org.label-schema.name=voltha-openolt-adapter-go \
+      org.label-schema.version=$org_label_schema_version \
+      org.label-schema.vcs-url=$org_label_schema_vcs_url \
+      org.label-schema.vcs-ref=$org_label_schema_vcs_ref \
+      org.label-schema.build-date=$org_label_schema_build_date \
+      org.opencord.vcs-commit-date=$org_opencord_vcs_commit_date