Example of GoLang min build in Multi-Stage Dockerfile

multistage.test.Dockerfile

FROM golang:alpine AS base-build
RUN apk update && apk add --no-cache git
WORKDIR $GOPATH/src/mypackage/myapp/
COPY . .
RUN go get -d -v
RUN go build -o /go/bin/hello

## using COPY 
FROM scratch
## COPY --from=base-builder /go/bin/hello /go/bin/hello
## OR
COPY --from=$0 /go/bin/hello /go/bin/hello
ENTRYPOINT ["/go/bin/hello"]