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Comment Docker révolutionne le web
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ubermuda
October 29, 2014
Technology
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Comment Docker révolutionne le web
ubermuda
October 29, 2014
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Transcript
Comment Docker révolutionne le web Geoffrey Bachelet – @ubermuda
Qu'est-ce que Docker À quoi ça sert Comment ça marche
Pourquoi on l'aime Limitations Cas d'utilisation
Docker is an open platform for developers and sysadmins to
build, ship, and run distributed applications. ” https://www.docker.com/whatisdocker/
http://www.slideshare.net/dotCloud
http://www.slideshare.net/dotCloud
http://www.slideshare.net/dotCloud
http://www.slideshare.net/dotCloud
http://www.slideshare.net/dotCloud
Un système de container pour livrer n'importe quel code, n'importe
où*. * Pour certaines definitions de n'importe où.
None
Machine Virtuelle https://www.docker.com/whatisdocker/
Container https://www.docker.com/whatisdocker/
Plus rapide Moins de mémoire Moins d'espace disque
Comme* des VM super légères. * Pour certaines definitions de
comme.
LXC is a userspace interface for the Linux kernel containment
features. ” https://linuxcontainers.org/
None
https://blog.docker.com/2014/06/keynote-videos-from-dockercon14/
libcontainer Remplacement de LXC Implémentation en Go Pas de dépendances
externes
libswarm Composition de services
None
$ docker Usage: docker [OPTIONS] COMMAND [arg...] -‐H=[unix:///var/run/docker.sock]:
tcp:// host:port to bind/connect to or unix://path/to/ socket to use A self-‐sufficient runtime for linux containers. Commands: ...
$ docker run busybox ls bin dev
etc home lib lib64 linuxrc ...
docker run busybox ls
docker run busybox ls
docker run busybox ls
docker run busybox ls
docker run busybox ls
Images ? Container ?
Image https://docs.docker.com/terms/image/
Container https://docs.docker.com/terms/image/
https://docs.docker.com/terms/image/
$ docker run -‐it debian:wheezy /bin/bash Unable to find
image 'debian:wheezy' locally Pulling repository debian 61f7f4f722fb: Download complete 511136ea3c5a: Download complete 638fd9704285: Download complete root@6c0009adf3c0:/#
$ docker run -‐it debian:wheezy /bin/bash Unable to find
image 'debian:wheezy' locally Pulling repository debian 61f7f4f722fb: Download complete 511136ea3c5a: Download complete 638fd9704285: Download complete root@6c0009adf3c0:/#
$ docker run -‐it debian:wheezy /bin/bash Unable to find
image 'debian:wheezy' locally Pulling repository debian 61f7f4f722fb: Download complete 511136ea3c5a: Download complete 638fd9704285: Download complete root@6c0009adf3c0:/#
$ docker run -‐it debian:wheezy /bin/bash Unable to find
image 'debian:wheezy' locally Pulling repository debian 61f7f4f722fb: Download complete 511136ea3c5a: Download complete 638fd9704285: Download complete root@6c0009adf3c0:/#
$ docker run -‐it debian:wheezy /bin/bash Unable to find
image 'debian:wheezy' locally Pulling repository debian 61f7f4f722fb: Download complete 511136ea3c5a: Download complete 638fd9704285: Download complete root@6c0009adf3c0:/#
Docker Hub
$ docker run -‐it debian:wheezy /bin/bash ... root@6c0009adf3c0:/#
apt-‐get install -‐y nginx root@6c0009adf3c0:/# exit $ docker commit 6c0009adf3c0 nginx $ docker run -‐it nginx /bin/bash
$ docker run -‐it debian:wheezy /bin/bash ... root@6c0009adf3c0:/#
apt-‐get install -‐y nginx root@6c0009adf3c0:/# exit $ docker commit 6c0009adf3c0 nginx $ docker run -‐it nginx /bin/bash
$ docker run -‐it debian:wheezy /bin/bash ... root@6c0009adf3c0:/#
apt-‐get install -‐y nginx root@6c0009adf3c0:/# exit $ docker commit 6c0009adf3c0 nginx $ docker run -‐it nginx /bin/bash
$ docker run -‐it debian:wheezy /bin/bash ... root@6c0009adf3c0:/#
apt-‐get install -‐y nginx root@6c0009adf3c0:/# exit $ docker commit 6c0009adf3c0 nginx $ docker run -‐it nginx /bin/bash
$ docker run -‐it debian:wheezy /bin/bash ... root@6c0009adf3c0:/#
apt-‐get install -‐y nginx root@6c0009adf3c0:/# exit $ docker commit 6c0009adf3c0 nginx $ docker run -‐it nginx /bin/bash
Dockerfile
FROM debian:wheezy ENV DEBIAN_FRONTEND noninteractive RUN apt-‐get update
-‐y RUN apt-‐get install -‐y nginx CMD ["/usr/bin/nginx", "-‐g", "'daemon off;'"]
Public Registry Private Registry Dockerfile Networking Volumes Remote API Docker
CLI FIG Ambassador boot2docker
None
Déployer n'importe quoi
Déployer n'importe où* * Pour certaines definitions de n'importe où.
Déployer facilement
Déployer de manière sûre
C'est pas fini !
Ambassador
App Ambassador MySQL Redis MySQL Ambassador Ambassador Ambassador
App Ambassador MySQL Redis MySQL Ambassador Ambassador Ambassador Reconfiguration automatique
App Ambassador Ambassador Facebook Twitter Health check, Cache, etc.
Scale up. And Down.
Reverse Proxy App App Ambassador MySQL
Reverse Proxy App App App Ambassador MySQL
Fault tolerance.
Reverse Proxy App App App Ambassador MySQL
Reverse Proxy App App App Ambassador MySQL
App Ambassador MySQL Redis MySQL Ambassador Ambassador Ambassador
App Ambassador MySQL Redis MySQL Ambassador Ambassador Ambassador
App Ambassador MySQL Redis MySQL Ambassador Ambassador Ambassador
App Ambassador MySQL Redis MySQL Ambassador Ambassador Ambassador
App Ambassador MySQL Redis MySQL Ambassador Ambassador Ambassador
App Ambassador MySQL Redis MySQL Ambassador Ambassador Ambassador
ChaosMonkey https://github.com/Netflix/SimianArmy/wiki/Chaos-Monkey
12factor.net
Damien Mathieu @dmathieu 12 factor app, bonnes pratiques pour développer
des applications puissantes et scalables Demain, 10h30 http://www.blendwebmix.com/schedule/12-factor-app-bonnes-pratiques-pour-developper-des-applications-puissantes-et-scalables/
Moi-même @ubermuda Vers des applications twelve-factor https://speakerdeck.com/ubermuda/vers-des-applications-twelve-factor
Dev/prod parity.
Continuous integration.
...
None
Certaines définitions de n'importe où.
Pas natif en dehors de Linux. Boot2docker
Linux 3.8+ (ou moins)
Noyau partagé. Sécurité.
Outillage peu matûre. Orchestration, monitoring, ...
Projet interne à dotCloud mars 2013 libcontainer DockerCon + 1.0
Docker 1.3 OpenSource 13 mars 2013 9-10 juin 16 octobre
16105 stars 649 contributeurs +
RedHat 10 juin Rachat de Orchard 40M$ Series C Microsoft
Google 23 juillet 16 septembre 15 octobre 19 sept. 2013
Continuous Integration Platform as a Service Distributed Applications Composition Continuous
Integration Platform as a Service Easy Application Deployment
Merci ! speackerdeck.com/ubermuda/comment-docker-revolutionne-le-web geoffrey.io / @ubermuda geoffrey.io/books/discovering-docker.html