FROM alpine:3.4 ENV GOPATH /go RUN apk update && apk add ca-certificates go git && \ rm -rf /var/cache/apk/* && \ go get -u github.com/xenolf/lego && \ cd /go/src/github.com/xenolf/lego && \ go build -o /usr/bin/lego . && \ apk del ca-certificates go git && \ rm -rf /var/cache/apk/* && \ rm -rf /go ENTRYPOINT [ "/usr/bin/lego" ]