VOL-2629 Modified Makefile to use containerized tools.

Modified existing containers to build internally, rather than bind-mounting the whole project & running make targets.
This repo has C dependencies, which must be made available, which complicates the usage of containerized tools.  Some tool containers are augmented before use.
"build-" targets will continue to use locally installed golang.
"release-" targets will use containerized tools, and will cross-compile only bbsimctl.

Change-Id: I02c999a29361d26aa9198d1f03b2b050febfe954
diff --git a/build/package/Dockerfile b/build/package/Dockerfile
index d5caae0..2fa4633 100644
--- a/build/package/Dockerfile
+++ b/build/package/Dockerfile
@@ -15,35 +15,32 @@
 # bbsim dockerfile
 
 # builder parent
-FROM golang:1.12-stretch as builder
+FROM golang:1.13.8-stretch as builder
 
-# install prereqs
-ENV PROTOC_VERSION 3.7.0
-ENV PROTOC_SHA256SUM a1b8ed22d6dc53c5b8680a6f1760a305b33ef471bece482e92728f00ba2a2969
+RUN apt-get update && apt-get install -y build-essential libpcap-dev
 
-RUN apt-get update \
- && apt-get install -y unzip libpcap-dev \
- && curl -L -o /tmp/protoc-${PROTOC_VERSION}-linux-x86_64.zip https://github.com/google/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-x86_64.zip \
- && echo "$PROTOC_SHA256SUM  /tmp/protoc-${PROTOC_VERSION}-linux-x86_64.zip" | sha256sum -c - \
- && unzip /tmp/protoc-${PROTOC_VERSION}-linux-x86_64.zip -d /tmp/protoc3 \
- && mv /tmp/protoc3/bin/* /usr/local/bin/ \
- && mv /tmp/protoc3/include/* /usr/local/include/ \
- && go get -v github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway \
- && go get -v github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger \
- && go get -v github.com/golang/protobuf/protoc-gen-go
+ENV CGO_ENABLED=1
 
-WORKDIR /go/src/github.com/opencord/bbsim
-ENV GO111MODULE=on
-ENV GOPROXY=https://proxy.golang.org
+WORKDIR /app
 
 # copy and build
 COPY . ./
-RUN make protos
-RUN make build-bbsim
-RUN make build-bbsimctl
+
+RUN go build -mod vendor \
+      -ldflags "-w -X main.buildTime=$(date +%Y/%m/%d-%H:%M:%S) \
+        -X main.commitHash=$(git log --pretty=format:%H -n 1) \
+        -X main.gitStatus=${GIT_STATUS} \
+        -X main.version=${VERSION}" \
+      ./cmd/bbsim && \
+    go build -mod vendor \
+      -ldflags "-w -X github.com/opencord/bbsim/internal/bbsimctl/config.BuildTime=$(date +%Y/%m/%d-%H:%M:%S) \
+        -X github.com/opencord/bbsim/internal/bbsimctl/config.CommitHash=$(git log --pretty=format:%H -n 1) \
+        -X github.com/opencord/bbsim/internal/bbsimctl/config.GitStatus=${GIT_STATUS} \
+        -X github.com/opencord/bbsim/internal/bbsimctl/config.Version=${VERSION}" \
+      ./cmd/bbsimctl
 
 # runtime parent
-FROM golang:1.12-stretch
+FROM ubuntu:18.04
 
 # runtime prereqs
 # the symlink on libpcap is because both alpine and debian come with 1.8.x, but
@@ -51,7 +48,7 @@
 # https://packages.debian.org/stretch/libpcap0.8-dev
 RUN apt-get update \
  && apt-get install -y libpcap-dev isc-dhcp-server network-manager tcpdump\
- && ln -s /usr/lib/libpcap.so.1.8.1 /usr/lib/libpcap.so.0.8
+ && ln -s /usr/lib/libpcap.so.1.8.1 /usr/lib/libpcap.so.0.9
 
 COPY ./configs/dhcpd.conf /etc/dhcp/
 RUN mv /usr/sbin/dhcpd /usr/local/bin/ \
@@ -59,8 +56,8 @@
 && touch /var/lib/dhcp/dhcpd.leases
 
 WORKDIR /app
-COPY --from=builder /go/src/github.com/opencord/bbsim/bbsim /app/bbsim
-COPY --from=builder /go/src/github.com/opencord/bbsim/bbsimctl /usr/bin/bbsimctl
+COPY --from=builder /app/bbsim /app/bbsim
+COPY --from=builder /app/bbsimctl /usr/bin/bbsimctl
 RUN mv /usr/sbin/tcpdump /usr/bin/tcpdump
 RUN chmod a+x /app/bbsim
 RUN chmod a+x /usr/bin/bbsimctl