Dockerfile

# Build environment
FROM golang:1.14.2 AS build
# Yep nothing special here yet

# Shell used for debugging
FROM build AS shell
RUN apt-get update && \
    apt-get install -y iptables socat vim bash-completion less psmisc libseccomp-dev sudo
RUN cp -f /etc/skel/.bashrc /etc/skel/.profile /root/ && \
    echo 'alias abort="echo -e '\''q\ny\n'\'' | ./bin/dlv connect :2345"' >> /root/.bashrc
ENV PATH=/var/lib/rancher/rke2/bin:$PATH
ENV KUBECONFIG=/etc/rancher/rke2/rke2.yaml
VOLUME /var/lib/rancher/rke2
# This makes it so we can run and debug k3s too
VOLUME /var/lib/rancher/k3s

# Dapper/Drone/CI environment
FROM build AS dapper
ENV DAPPER_ENV REPO TAG DRONE_TAG
ENV DAPPER_OUTPUT ./bin ./dist
ENV DAPPER_DOCKER_SOCKET true
ENV DAPPER_TARGET dapper
ENV DAPPER_RUN_ARGS "-v rke2-pkg:/go/pkg -v rke2-cache:/root/.cache/go-build"
WORKDIR /source
# End Dapper stuff

# rke-runtime image
# This image includes any host level programs that we might need. All binaries
# must be placed in bin/ of the file image and subdirectories of bin/ will be flattened during installation.
# This means bin/foo/bar will become bin/bar when rke2 installs this to the host
FROM k8s.gcr.io/hyperkube:v1.18.2 AS k8s
FROM rancher/k3s:v1.18.2-rc2-k3s1 AS k3s
FROM ubuntu:18.04 AS containerd

ENV CONTAINERD_VERION=1.3.4
ENV CONTAINERD_HASH=61e65c9589e5abfded1daa353e6dfb4b8c2436199bbc5507fc45809a3bb80c1d
ENV CONTAINERD_URL=https://github.com/containerd/containerd/releases/download/v${CONTAINERD_VERION}/containerd-${CONTAINERD_VERION}.linux-amd64.tar.gz

RUN apt-get update && \
    apt-get install -y curl
RUN curl -O -fL ${CONTAINERD_URL}
RUN echo "${CONTAINERD_HASH}  $(basename $CONTAINERD_URL)" | sha256sum -c -
RUN tar xvf $(basename ${CONTAINERD_URL}) -C /usr/local

FROM scratch AS release
COPY --from=k8s \
    /usr/local/bin/kubectl \
    /usr/local/bin/kubelet \
        /bin/
COPY --from=k3s \
    /bin/runc \
        /bin/
COPY --from=containerd \
    /usr/local/bin/containerd-shim-runc-v2 \
    /usr/local/bin/containerd \
    /usr/local/bin/containerd-shim \
    /usr/local/bin/ctr \
    /usr/local/bin/containerd-shim-runc-v1 \
        /bin/