Added Dockerfile for sidecar

Dockerfile

@@ -0,0 +1,6 @@
+FROM gcr.io/distroless/static:latest
+LABEL maintainers="Kubernetes Authors"
+LABEL description="Object Storage Sidecar"
+
+COPY ./bin/objectstorage-sidecar objectstorage-sidecar
+ENTRYPOINT ["/objectstorage-sidecar"]

cmd/objectstorage-sidecar/app/objectstorage-sidecar.go

@@ -24,7 +24,7 @@ const (
 	defaultDriverAddress      = "tcp://0.0.0.0:9000"
 )
 
-// SidecarOptions defines the options
+// SidecarOptions defines the options for running the sidecar
 type SidecarOptions struct {
 	driverAddress string
 }