[go/v4] Move main.go inside cmd directory

Author: tkan145

Dockerfile

@@ -11,15 +11,15 @@ COPY go.sum go.sum
 RUN go mod download
 
 # Copy the go source
-COPY main.go main.go
-COPY apis/ apis/
-COPY controllers/ controllers/
+COPY cmd/main.go cmd/main.go
+COPY api/ api/
+COPY internal/controller/ internal/controller/
 
 COPY pkg/ pkg/
 COPY version/ version/
 
 # Build
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=`go env GOARCH` go build -a -o manager main.go
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=`go env GOARCH` go build -a -o manager cmd/main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details

Makefile

@@ -106,7 +106,7 @@ test-e2e: generate fmt vet manifests
 # Build manager binary
 .PHONY: manager
 manager: manifests generate fmt vet
-	$(GO) build -o bin/manager main.go
+	$(GO) build -o bin/manager cmd/main.go
 
 # Run against the configured Kubernetes cluster in ~/.kube/config
 .PHONY: run
@@ -115,7 +115,7 @@ run: export THREESCALE_DEBUG=1
 run: export PREFLIGHT_CHECKS_BYPASS=true
 run: generate fmt vet manifests
 	@-oc process THREESCALE_VERSION=$(THREESCALE_VERSION) -f config/requirements/operator-requirements.yaml | oc apply -f - -n $(WATCH_NAMESPACE)
-	$(GO) run ./main.go --zap-devel 
+	$(GO) run ./cmd/main.go --zap-devel 
 
 ##@ Build Dependencies
 
@@ -429,7 +429,7 @@ bundle-update-test:
 	[ -z "$$(git ls-files --other --exclude-standard --directory --no-empty-directory ./bundle)" ]
 
 $(PROMETHEUS_RULES_TARGETS): $(PROMETHEUS_RULES_DEPS)
-	go run $(PROJECT_PATH)/pkg/3scale/amp/main.go prometheusrules --namespace $(PROMETHEUS_RULES_NAMESPACE) $(notdir $(basename $@)) >$@
+	go run $(PROJECT_PATH)/pkg/3scale/amp/cmd/main.go prometheusrules --namespace $(PROMETHEUS_RULES_NAMESPACE) $(notdir $(basename $@)) >$@
 
 .PHONY: prometheus-rules
 prometheus-rules: prometheus-rules-clean $(PROMETHEUS_RULES_TARGETS)

main.go renamed to cmd/main.go

@@ -68,7 +68,7 @@ var _ = BeforeSuite(func() {
 
 	By("bootstrapping test environment")
 	testEnv = &envtest.Environment{
-		CRDDirectoryPaths: []string{filepath.Join("..", "..", "config", "crd", "bases")},
+		CRDDirectoryPaths: []string{filepath.Join("..", "..", "..", "config", "crd", "bases")},
 	}
 
 	var err error