Multistage go build for docker image building

Dockerfile

@@ -1,13 +1,28 @@
 ARG BASEIMAGE
+ARG GOVERSION
 
-FROM $BASEIMAGE AS final 
-COPY ./bin/vg-snapshotter .
+
+FROM golang:${GOVERSION} as builder
+RUN mkdir -p /go/src
+COPY ./ /go/src/
+WORKDIR /go/src/
+RUN CGO_ENABLED=0 \
+    make build
+
+# Final Stage
+FROM $BASEIMAGE AS final
+
+# Copy the binary from the builder stage
+
+COPY --from=builder /go/src/bin/vg-snapshotter .
+
+# Set entry point
 ENTRYPOINT ["/vg-snapshotter"]
 
+# Metadata labels
 LABEL vendor="Dell Inc." \
       name="dellcsi-vg-snapshotter" \
-      summary="CSI VG Snapshotter for Dell EMC Powerflex" \
+      summary="CSI VG Snapshotter for Dell EMC PowerFlex/PowerStore" \
       description="Dell Storage VolumeGroup Snapshot Controller for CSI" \
       version="1.4.0" \
-      license="Apache-2.0"
-
+      license="Apache-2.0"

Makefile

@@ -42,7 +42,7 @@ else
 GOBIN=$(shell go env GOBIN)
 endif
 
-all: build
+all: help
 
 ##@ General
 

docker.mk

@@ -8,7 +8,7 @@ endif
 docker:
 	@echo "Base Images is set to: $(BASEIMAGE)"
 	@echo "Building: $(REGISTRY)/$(IMAGENAME):$(IMAGETAG)"
-	$(BUILDER) build -t "$(REGISTRY)/$(IMAGENAME):$(IMAGETAG)" --target $(BUILDSTAGE) --build-arg BASEIMAGE=$(BASEIMAGE) .
+	$(BUILDER) build -t "$(REGISTRY)/$(IMAGENAME):$(IMAGETAG)" --target $(BUILDSTAGE) --build-arg BASEIMAGE=$(BASEIMAGE) --build-arg GOVERSION=$(GOVERSION) .
 
 push:   
 	@echo "Pushing: $(REGISTRY)/$(IMAGENAME):$(IMAGETAG)"

overrides.mk

@@ -7,12 +7,18 @@ DEFAULT_REGISTRY="dellemc"
 DEFAULT_IMAGENAME="csi-volumegroup-snapshotter"
 DEFAULT_BUILDSTAGE="final"
 DEFAULT_IMAGETAG="1.4.0"
+DEFAULT_GOVERSION="1.21"
 
 # set the REGISTRY if needed
 ifeq ($(REGISTRY),)
 export REGISTRY="$(DEFAULT_REGISTRY)"
 endif
 
+# set the GOVERSION if needed
+ifeq ($(GOVERSION),)
+export GOVERSION="$(DEFAULT_GOVERSION)"
+endif
+
 # set the IMAGENAME if needed
 ifeq ($(IMAGENAME),)
 export IMAGENAME="$(DEFAULT_IMAGENAME)"
@@ -48,5 +54,7 @@ overrides-help:
 	@echo "BUILDSTAGE  - The Dockerfile build stage to execute, default is: $(DEFAULT_BUILDSTAGE)"
 	@echo "              Stages can be found by looking at the Dockerfile"
 	@echo "              Current setting is: $(BUILDSTAGE)"
+	@echo "GOVERSION   - The version of Go to build with, default is: $(DEFAULT_GOVERSION)"
+	@echo "              Current setting is: $(GOVERSION)""
 	@echo