Merge pull request #1 from linki/hchenxa_master

Cross-compile powerpc binary

Dockerfile.ppc64le

@@ -1,20 +1,19 @@
-FROM ppc64le/golang:1.9-alpine as builder
+# builder image
+FROM golang:1.9-alpine as builder
 
 RUN apk --no-cache add git
 RUN go get github.com/golang/dep/cmd/dep
 WORKDIR /go/src/github.com/linki/chaoskube
 COPY . .
 RUN dep ensure
 RUN go test -v ./...
-RUN go build -o /bin/chaoskube -v \
+RUN GOARCH=ppc64le go build -o /bin/chaoskube -v \
   -ldflags "-X main.version=$(git describe --tags --always --dirty) -w -s"
 
 # final image
 FROM ppc64le/alpine:3.6
 MAINTAINER Linki <linki+docker.com@posteo.de>
 
-RUN apk --no-cache add dumb-init && addgroup -S chaoskube && adduser -S -g chaoskube chaoskube
 COPY --from=builder /bin/chaoskube /bin/chaoskube
 
-USER chaoskube
-ENTRYPOINT ["dumb-init", "--", "/bin/chaoskube"]
+ENTRYPOINT ["/bin/chaoskube"]