ARG IMG_TAG=1
FROM golang:${IMG_TAG} as builder
RUN go get -u -v github.com/go-bindata/go-bindata/... \
  && dir=$(mktemp -d) \
  && git clone https://github.com/go-swagger/go-swagger "$dir" \
  && cd "$dir" \
  && go install ./cmd/swagger

FROM golang:${IMG_TAG}
COPY --from=builder /go/bin/swagger /usr/bin
COPY --from=builder /go/bin/go-bindata /usr/bin