FROM golang:1.9-alpine AS build-env WORKDIR /go/src/github.com/StackExchange/dnscontrol ADD . . RUN apk update && apk add git RUN go run build/build.go -os=linux RUN cp dnscontrol-Linux /go/bin/dnscontrol RUN dnscontrol version FROM alpine RUN apk add --no-cache ca-certificates COPY --from=build-env /go/bin/dnscontrol /usr/local/bin WORKDIR /dns RUN dnscontrol version CMD dnscontrol