hotfix: add dockerfile for Goreleaser

Author: lwolf

.goreleaser.yml

@@ -27,7 +27,7 @@ release:
   prerelease: true
 
 dockers:
-  - dockerfile: Dockerfile
+  - dockerfile: Dockerfile.releaser
     binaries:
       - kube-cleanup-operator
     goos: linux

Dockerfile.releaser

@@ -0,0 +1,10 @@
+FROM alpine
+MAINTAINER Sergey Nuzhdin <[email protected]>
+
+RUN addgroup -S kube-operator && adduser -S -g kube-operator kube-operator
+
+USER kube-operator
+
+COPY kube-cleanup-operator .
+
+ENTRYPOINT ["./kube-cleanup-operator"]