![FROM busybox:latest
VOLUMES [“/config”]
ADD . /shippedConfig
CMD cp /shippedConfig/* /config/
{...}
.
├── Dockerfile
└── my.cnf](https://image.slidesharecdn.com/dockermeetupslides1-180420205839/85/More-than-Applications-Ab-using-Docker-to-Improve-the-Portability-of-Everything-10-320.jpg)
![FROM linuxkit/alpine:cba395fbc278daee841106801aba1e1bd7e0f2f7 AS build
RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
RUN apk add --no-cache --initdb -p /out
alpine-baselayout
busybox
# Remove apk residuals. We have a read-only rootfs, so apk is of no use.
RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache
FROM scratch
WORKDIR /
COPY --from=build /out /
COPY --from=docker:17.06.0-ce /usr/local/bin/docker /usr/local/bin/docker
COPY dl/*.tar /images/
ENTRYPOINT [ "/bin/sh", "-c" ]
CMD [ "for image in /images/*.tar ; do docker image load -i $image && rm -f $image ; done" ]](https://image.slidesharecdn.com/dockermeetupslides1-180420205839/85/More-than-Applications-Ab-using-Docker-to-Improve-the-Portability-of-Everything-37-320.jpg)
![FROM scratch
WORKDIR /
COPY --from=build /out /
COPY --from=docker:17.06.0-ce /usr/local/bin/docker /usr/local/bin/docker
COPY dl/*.tar /images/
ENTRYPOINT [ "/bin/sh", "-c" ]
CMD [ "for image in /images/*.tar ; do docker image load -i $image && rm -f $image ; done" ]](https://image.slidesharecdn.com/dockermeetupslides1-180420205839/85/More-than-Applications-Ab-using-Docker-to-Improve-the-Portability-of-Everything-38-320.jpg)
![FROM scratch
WORKDIR /
COPY --from=build /out /
COPY --from=docker:17.06.0-ce /usr/local/bin/docker /usr/local/bin/docker
COPY dl/*.tar /images/
ENTRYPOINT [ "/bin/sh", "-c" ]
CMD [ "for image in /images/*.tar ; do docker image load -i $image && rm -f $image ; done" ]](https://image.slidesharecdn.com/dockermeetupslides1-180420205839/85/More-than-Applications-Ab-using-Docker-to-Improve-the-Portability-of-Everything-39-320.jpg)
More than Applications: (Ab)using Docker to Improve the Portability of Everything
- 10. FROM busybox:latest VOLUMES [“/config”] ADD . /shippedConfig CMD cp /shippedConfig/* /config/ {...} . ├── Dockerfile └── my.cnf
- 11. $ docker run --name config test/config:dev {...} $ docker run --volumes-from config busybox /bin/sh -c “cat /config/my.cnf” busybox
- 21. FROM ubuntu:16.04 RUN apt-get update RUN apt-get -y install curl apt-transport-https RUN mkdir -p /packages # ...snip COPY ./kubernetes.list /etc/apt/sources.list.d/kubernetes.list RUN apt-get update RUN apt-get install --download-only -y kubeadm kubelet kubectl kubernetes-cni -oDebug::NoLocking=1 -o=dir::cache=/packages/
- 22. FROM ubuntu:16.04 RUN apt-get update RUN apt-get -y install curl apt-transport-https RUN mkdir -p /packages # ...snip COPY ./kubernetes.list /etc/apt/sources.list.d/kubernetes.list RUN apt-get update RUN apt-get install --download-only -y kubeadm kubelet kubectl kubernetes-cni -oDebug::NoLocking=1 -o=dir::cache=/packages/
- 23. FROM ubuntu:16.04 RUN apt-get update RUN apt-get -y install curl apt-transport-https RUN mkdir -p /packages # ...snip COPY ./kubernetes.list /etc/apt/sources.list.d/kubernetes.list RUN apt-get update RUN apt-get install --download-only -y kubeadm kubelet kubectl kubernetes-cni -oDebug::NoLocking=1 -o=dir::cache=/packages/
- 24. FROM ubuntu:16.04 RUN apt-get update RUN apt-get -y install curl apt-transport-https RUN mkdir -p /packages # ...snip COPY ./kubernetes.list /etc/apt/sources.list.d/kubernetes.list RUN apt-get update RUN apt-get install --download-only -y kubeadm kubelet kubectl kubernetes-cni -oDebug::NoLocking=1 -o=dir::cache=/packages/
- 25. FROM ubuntu:16.04 RUN apt-get update RUN apt-get -y install curl apt-transport-https RUN mkdir -p /packages # ...snip COPY ./kubernetes.list /etc/apt/sources.list.d/kubernetes.list RUN apt-get update RUN apt-get install --download-only -y kubeadm kubelet kubectl kubernetes-cni -oDebug::NoLocking=1 -o=dir::cache=/packages/
- 26. FROM ubuntu:16.04 RUN apt-get update RUN apt-get -y install curl apt-transport-https RUN mkdir -p /packages # ...snip COPY ./kubernetes.list /etc/apt/sources.list.d/kubernetes.list RUN apt-get update RUN apt-get install --download-only -y kubeadm kubelet kubectl kubernetes-cni -oDebug::NoLocking=1 -o=dir::cache=/packages/
- 27. FROM ubuntu:16.04 RUN apt-get update RUN apt-get -y install curl apt-transport-https RUN mkdir -p /packages # ...snip COPY ./kubernetes.list /etc/apt/sources.list.d/kubernetes.list RUN apt-get update RUN apt-get install --download-only -y kubeadm kubelet kubectl kubernetes-cni -oDebug::NoLocking=1 -o=dir::cache=/packages/ FROM busybox:latest COPY --from=0 /packages /packages CMD cp -r /packages/* /out/
- 28. $ docker run -v ${PWD}:/out gcr.io/replicated-equip/k8s-packages:ubuntu-1604-v1.9.3 $ sudo dpkg -i archives/*.deb $ ls -l archives total 57304 -rw-r--r-- 1 root root 79416 Apr 17 14:12 ebtables_2.0.10.4-3.4ubuntu2_amd64.deb -rw-r--r-- 1 root root 97500 Apr 17 14:12 ethtool_1%3a4.5-1_amd64.deb -rw-r--r-- 1 root root 522092 Apr 17 14:12 iproute2_4.3.0-1ubuntu3.16.04.3_amd64.deb -rw-r--r-- 1 root root 265782 Apr 17 14:12 iptables_1.6.0-2ubuntu3_amd64.deb -rw-r--r-- 1 root root 88648 Apr 17 14:12 kmod_22-1ubuntu5_amd64.deb -rw-r--r-- 1 root root 20091708 Apr 17 14:12 kubeadm_1.9.3-00_amd64.deb -rw-r--r-- 1 root root 10539730 Apr 17 14:12 kubectl_1.9.3-00_amd64.deb -rw-r--r-- 1 root root 20454776 Apr 17 14:12 kubelet_1.9.3-00_amd64.deb -rw-r--r-- 1 root root 5909628 Apr 17 14:12 kubernetes-cni_0.6.0-00_amd64.deb -rw-r--r-- 1 root root 24248 Apr 17 14:12 libatm1_1%3a2.5.1-1.5_amd64.deb -rw-r--r-- 1 root root 27230 Apr 17 14:12 libxtables11_1.6.0-2ubuntu3_amd64.deb drwx------ 2 root root 4096 Apr 17 14:12 partial -rw-r--r-- 1 root root 321050 Apr 17 14:12 socat_1.7.3.1-1_amd64.deb -rw-r--r-- 1 root root 22988 Apr 17 14:12 tcpd_7.6.q-25_amd64.deb
- 31. linuxit
- 34. kube-dns kube-proxy etcd kube-apiserver ... docker save docker save docker save docker save docker save k8s-images kube-dns.tar kube-proxy.tar etcd.tar kube-apiserver.tar ...
- 37. FROM linuxkit/alpine:cba395fbc278daee841106801aba1e1bd7e0f2f7 AS build RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/ RUN apk add --no-cache --initdb -p /out alpine-baselayout busybox # Remove apk residuals. We have a read-only rootfs, so apk is of no use. RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache FROM scratch WORKDIR / COPY --from=build /out / COPY --from=docker:17.06.0-ce /usr/local/bin/docker /usr/local/bin/docker COPY dl/*.tar /images/ ENTRYPOINT [ "/bin/sh", "-c" ] CMD [ "for image in /images/*.tar ; do docker image load -i $image && rm -f $image ; done" ]
- 38. FROM scratch WORKDIR / COPY --from=build /out / COPY --from=docker:17.06.0-ce /usr/local/bin/docker /usr/local/bin/docker COPY dl/*.tar /images/ ENTRYPOINT [ "/bin/sh", "-c" ] CMD [ "for image in /images/*.tar ; do docker image load -i $image && rm -f $image ; done" ]
- 39. FROM scratch WORKDIR / COPY --from=build /out / COPY --from=docker:17.06.0-ce /usr/local/bin/docker /usr/local/bin/docker COPY dl/*.tar /images/ ENTRYPOINT [ "/bin/sh", "-c" ] CMD [ "for image in /images/*.tar ; do docker image load -i $image && rm -f $image ; done" ]
- 40. kube-dns kube-proxy etcd kube-apiserver ... docker load docker load docker load docker load docker load k8s-images kube-dns.tar kube-proxy.tar etcd.tar kube-apiserver.tar ...
- 41. $ docker run -v /var/run/docker.sock:/var/run/docker.sock gcr.io/replicated-equip/k8s-containers:v1.9.3 $ docker images gcr.io/google_containers/kube-apiserver-amd64 v1.9.3 360d55f91cbf gcr.io/google_containers/kube-controller-manager-amd64 v1.9.3 83dbda6ee810 gcr.io/google_containers/kube-proxy-amd64 latest 35fdc6da5fd8 gcr.io/google_containers/kube-proxy-amd64 v1.9.3 35fdc6da5fd8 gcr.io/google_containers/kube-scheduler-amd64 v1.9.3 d3534b539b76 weaveworks/weave-npc 2.2.0 765b48853ac0 weaveworks/weave-kube 2.2.0 222ab9e78a83 gcr.io/google_containers/etcd-amd64 3.1.11 59d36f27cceb gcr.io/google_containers/k8s-dns-sidecar-amd64 1.14.7 db76ee297b85 gcr.io/google_containers/k8s-dns-kube-dns-amd64 1.14.7 5d049a8c4eec gcr.io/google_containers/k8s-dns-dnsmasq-nanny-amd64 1.14.7 5feec37454f4 gcr.io/google_containers/pause-amd64 3.0 99e59f495ffa