Slightly improve the Dockerfile
+ Smaller base image
+ Replace CMD with ENTRYPOINT
+ Move ENTRYPOINT to before the code copy to improve caching
-FROM golang:1.9.2
+FROM golang:1.9.4-alpine3.7
+
WORKDIR /go/src/github.com/GoogleCloudPlatform/skaffold/examples/getting-started
+CMD ["./app"]
COPY main.go .
RUN go build -o app main.go
-CMD ["./app"]
