FROM smebberson/alpine-base:latest

ENV VERSION=v0.12.0-alpha3

RUN apk add --no-cache go gcc musl-dev openssl tar git

RUN mkdir -p /src/confd
RUN wget -qO- https://github.com/kelseyhightower/confd/archive/$VERSION.tar.gz | tar -xz -C /src/confd --strip 1

WORKDIR /src/confd
ENV GOPATH /src/confd/vendor:/src/confd
RUN go get -d
RUN go build -a -installsuffix cgo -ldflags '-extld ld -extldflags -static' -x .
RUN mv ./confd /bin/
RUN chmod +x /bin/confd

RUN apk del go gcc musl-dev openssl tar git
RUN rm -rf /src

WORKDIR /

ADD /rootfs /