Docker, Get used to it !

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Get used to it !

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Julien Vey @julienvey

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Pierre Padrixe @undefd

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No content

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What is Docker ?

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What is Docker ?

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When can I use Docker ?

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Sandbox

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$ ./install-XXX.sh !

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$ ./install-XXX.sh Error during install ! …

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$ ./install-XXX.sh Error during install ! … $ ./uninstall-XXX.sh !

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$ ./install-XXX.sh Error during install ! … $ ./uninstall-XXX.sh Could not remove file xxx !

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$ ./install-XXX.sh Error during install ! … $ ./uninstall-XXX.sh Could not remove file xxx ! ! FAIL !

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Please Docker, help me !

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$ docker run $ ./install-XXX.sh Error during install !

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$ docker run $ ./install-XXX.sh Error during install ! Try Again !

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$ docker run $ ./install-XXX.sh Error during install ! Try Again ! $ docker run $ echo "Some conf" > XXX.cfg $ ./install-XXX.sh Success !

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Repeatability

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$ ./myscript.sh !

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$ ./myscript.sh $ ./myotherscript.sh !

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$ ./myscript.sh $ ./myotherscript.sh $ rm -rf myscriptdir !

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$ ./myscript.sh $ ./myotherscript.sh $ rm -rf myscriptdir ! OOPS !

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Please Docker, help me !

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RUN ./myscript.sh

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RUN ./myscript.sh RUN ./myotherscript.sh

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RUN ./myscript.sh RUN rm -rf myscriptdir RUN ./myotherscript.sh

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RUN ./myscript.sh RUN rm -rf myscriptdir RUN ./myotherscript.sh OOPS ?

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RUN ./myscript.sh RUN rm -rf myscriptdir RUN ./myotherscript.sh $ docker commit $id me/snap $ docker commit $id me/snap $ docker run me/snap

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Setup your Development environment

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A development Environment Today

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Tomcat Vert.x NodeJS Apache PHP Mongo

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$ install $ install $ install $ install $ install $ install Tomcat Vert.x NodeJS Apache PHP Mongo

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Tomcat Vert.x NodeJS Apache PHP Mongo $ configure $ configure $ configure $ configure $ configure $ configure

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Do this for each Developer $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure $ configure

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Too Many Steps !

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Please Docker, help me !

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Tomcat Vert.x NodeJS Apache PHP Mongo $ configure $ configure $ configure $ configure $ configure $ configure Configure a Container Once

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just run it for each developer $ docker run $ configure $ configure $ configure $ configure $ configure $ configure $ docker run $ configure $ configure $ configure $ configure $ configure $ configure $ docker run $ configure $ configure $ configure $ configure $ configure $ configure

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On any (Linux) environment $ docker run $ configure $ configure $ configure $ configure $ configure $ configure $ docker run $ configure $ configure $ configure $ configure $ configure $ configure $ docker run $ configure $ configure $ configure $ configure $ configure $ configure

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Or split by services $ docker run NodeJS $ configure Apache $ configure $ docker run MongoDB $ configure $ docker run

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Or split by services $ docker run NodeJS $ configure Apache $ configure $ docker run MongoDB $ configure $ docker run and run ONLY what you need

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PaaS Platform-as-a-Service

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a PaaS deploys your application

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your application needs Isolation

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your application needs Fast Startup Time

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Lucky you !

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Docker is isolated

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Docker is Fast

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PaaS Providers already use Containers

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OpenShift Heroku Docker INC use LXC

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Flynn Deis Dokku are built with Docker

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Isolation VS Performance

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Sometimes, a Virtual Machine is Not Enough

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You need Bare Metal Performance

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You need Bare Metal Performance

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But you Don’t want This Bare Metal Server

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You’d Prefer have This Bare Metal Server

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By Isolating your Apps in Containers, ! You provide Isolation without giving up Performance

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Continuous Deployment

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Deliver Code Test Deploy

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Deliver Code Test Deploy to Integration Deploy to Staging Deploy to Production

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Deliver Code Test Deploy to Integration Deploy to Staging Deploy to Production Install environment Configure Migration scripts Deploy deliverable Install environment Configure Migration scripts Deploy deliverable Install environment Configure Migration scripts Deploy deliverable

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We have to change the Delivery Unit

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Deliver a container

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Deliver a container Install environment Conﬁgure Migration scripts Deploy deliverable

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Deliver a container Test Deploy to Integration Deploy to Staging Deploy to Production

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Deliver a container Test Deploy to Integration Deploy to Staging Deploy to Production $ docker run $ docker run $ docker run Install environment Configure Migration scripts Deploy deliverable Install environment Configure Migration scripts Deploy deliverable Install environment Configure Migration scripts Deploy deliverable

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The Container is the new Delivery Unit

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Demo Time !

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User $git push triggers build - build project - build container deploys and run container

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User $git push triggers build - build project - build container deploys and run container Everything is a container

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in order to build the container $docker build github.com/jpetazzo/dind

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What Else ?

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User $git push triggers build with Promoted Builds Plugin promote to staging promote to integration promote to production

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$ docker run base echo Questions?

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Thanks