VOL-1903: Cleanup Makefile to use consistent versions of protoc/grpc-gateway

Change-Id: I10a9918cab7e5b34901f3529fb629f4fa0f0f185
diff --git a/Dockerfile b/Dockerfile
index 0c95968..3e0a8c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,12 +41,13 @@
 
 # build the protos
 COPY Makefile ./
+COPY VERSION ./
 COPY api/ ./api
 RUN make bbsimapi
 
 # copy and build
 COPY . ./
-RUN GO111MODULE=on go build -i -v -o bbsim
+RUN make bbsim
 
 # runtime parent
 FROM golang:1.12-stretch