Dockerfile

FROM golang:1.12-alpine


# git, build-base, curl
RUN apk --update add git build-base \
     && rm -rf /var/cache/apk/*

# From docker-gc
# https://github.com/spotify/docker-gc/blob/master/Dockerfile

ENV DOCKER_VERSION 17.09.0-ce

# We get curl so that we can avoid a separate ADD to fetch the Docker binary, and then we'll remove it
RUN apk --update add bash curl \
  && cd /tmp/ \
  && curl -sSL -O https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_VERSION}.tgz \
  && tar zxf docker-${DOCKER_VERSION}.tgz \
  && mkdir -p /usr/local/bin/ \
  && mv $(find -name 'docker' -type f) /usr/local/bin/ \
  && chmod +x /usr/local/bin/docker \
  && apk del curl \
  && rm -rf /tmp/* \
  && rm -rf /var/cache/apk/*

ENV BUILD_HOME=$GOPATH/src/github.com/tetra2000/canary

# dep
RUN go get -u github.com/golang/dep/cmd/dep

ADD . $BUILD_HOME
WORKDIR $BUILD_HOME

# FIXME Final image depends on builder image.
ENV CGO_ENABLED=1

ARG USE_HOST_VENDOR=0
RUN ./scripts/dep_ensure.sh

RUN ./scripts/build_default_plugins.sh

RUN go build

RUN mkdir -p /opt/canary \
  && mv ./canary /opt/canary/ \
  && mv ./plugins /opt/canary/

FROM alpine:3.2

# ca-certificates
RUN apk --update add ca-certificates \
     && rm -rf /var/cache/apk/*

COPY --from=0 /usr/local/bin/docker /usr/local/bin/docker

COPY ./docker/ssh_config /root/.ssh/config

ENV APP_HOME=/opt/canary
WORKDIR $APP_HOME

COPY --from=0 /opt/canary $APP_HOME
ADD ./scripts /opt/canary/scripts

ENV CANARY_DATA=/opt/canary/data
VOLUME $CANARY_DATA

CMD ./canary