Implement docker multi stage build

.gitignore

@@ -1,2 +1,4 @@
 vendor/
 cmd/*/bin/
+
+csm-common.mk

.golangci.yaml

@@ -1,6 +1,6 @@
 run:
   timeout: 20m
-  issue-exit-code: 0 # we will change this later
+  issues-exit-code: 0 # we will change this later
   tests: true
   skip-dirs-use-default: true
   modules-download-mode: readonly

Dockerfile

@@ -1,12 +1,29 @@
 ARG BASEIMAGE
 
+# Build the sdk binary
+FROM golang:1.21 as builder
+
+# Set envirment variable
+ENV APP_NAME csm-topology
+ENV CMD_PATH cmd/topology/main.go
+
+# Copy application data into image
+COPY . /go/src/$APP_NAME
+WORKDIR /go/src/$APP_NAME
+
+# Build the binary
+RUN go install github.com/golang/mock/[email protected]
+RUN go generate ./...
+RUN CGO_ENABLED=0 GOOS=linux go build -o /go/src/service /go/src/$APP_NAME/$CMD_PATH
+
+# Build the sdk image
 FROM $BASEIMAGE as final
 LABEL vendor="Dell Inc." \
       name="csm-topology" \
-      summary="Dell Container Storage Modules (CSM) for Observability - Topology" \
+      summary="Dell Container Storage Modules (CSM) for Observability - Metrics for Topology" \
       description="Provides Kubernetes administrators with the topology data related to containerized storage that is provisioned by CSI (Container Storage Interface) Drivers for Dell storage products" \
       version="2.0.0" \
       license="Apache-2.0"
-ARG SERVICE
-COPY $SERVICE/bin/service /service
-ENTRYPOINT ["/service"]
+
+COPY --from=builder /go/src/service /
+ENTRYPOINT ["/service"]

Makefile

@@ -33,7 +33,7 @@ test:
 .PHONY: docker
 docker: download-csm-common
 	$(eval include csm-common.mk)
-	SERVICE=cmd/topology docker build -t csm-topology -f Dockerfile --build-arg BASEIMAGE=$(DEFAULT_BASEIMAGE) cmd/topology
+	docker build -t csm-topology -f Dockerfile --build-arg BASEIMAGE=$(DEFAULT_BASEIMAGE) .
 
 .PHONY: tag
 tag: