FROM golang:1.13-buster as build
ARG YTT_VERSION=master
RUN echo building ytt $YTT_VERSION \
 && git clone \
        --branch "${YTT_VERSION}" \
        --single-branch \
        --depth 1 \
        https://github.com/k14s/ytt \
        ./src/github.com/k14s/ytt
WORKDIR /go/src/github.com/k14s/ytt
RUN CGO_ENABLED=0 go build -o ytt ./cmd/ytt/...

FROM debian:buster-slim
LABEL maintainer="Drew Short <warrick@sothr.com>"
COPY --from=build /go/src/github.com/k14s/ytt/ytt /usr/bin/ytt
RUN apt-get -y update \
    && apt-get -y --no-install-recommends install \
	bash \
	bsdmainutils \
	util-linux \
    && rm -Rf /var/lib/apt/lists/*
WORKDIR /project
ENTRYPOINT ["/usr/bin/ytt"]
CMD ["-h"]