FROM golang:alpine as builder

ENV DUMB_INIT_VERSION=1.2.2 \
    YGGDRASIL_VERSION=0.3.8

RUN set -ex \
 && apk --no-cache add \
      build-base \
      curl \
      git \
 && git clone "https://github.com/yggdrasil-network/yggdrasil-go.git" /src \
 && cd /src \
 && git reset --hard v${YGGDRASIL_VERSION} \
 && ./build \
 && curl -sSfLo /tmp/dumb-init "https://github.com/Yelp/dumb-init/releases/download/v${DUMB_INIT_VERSION}/dumb-init_${DUMB_INIT_VERSION}_amd64" \
 && chmod 0755 /tmp/dumb-init

FROM alpine:3.10

LABEL maintainer "Knut Ahlers <knut@ahlers.me>"

RUN set -ex \
 && apk --no-cache add bash

COPY --from=builder /src/yggdrasil    /usr/bin/
COPY --from=builder /src/yggdrasilctl /usr/bin/
COPY --from=builder /tmp/dumb-init    /usr/bin/
COPY                start.sh          /usr/bin/

VOLUME /config

ENTRYPOINT /usr/bin/start.sh