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By Christopher Rigor, Engine Yard docker containers Deep Dive Into For Rails Developers
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Deep dive
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containers Docker
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RAILS DEVELOPERS
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Why use containers Running Containers in production Container internals
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DEPLOY your Rails app in a container
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Install Ruby Install packages copy your code Install gems Precompile assets
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Containers are…
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1 lightweight vms
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CHROOT ON STERIODS 2
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namespaces + CGROUPS 3
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container runtimes Lxc Docker Rkt Systemd-Nspawn
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ILLUSION
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PID name space
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MOUNT name space
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root@295833c74fd0:/# ls -l /dev/xvda ls: cannot access '/dev/xvda': No such file or directory
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user name space
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NETwork name space
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NETwork name spaces PID Mount User UTS CGroup IPC
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CGROUPS
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PROCESSES 4
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container Security
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APP ARMOR
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capabilities
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seccomp
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Running containers in production
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containers in production Namespaces + Cgroups
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containers in production Container Runtime Namespaces + Cgroups
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containers in production Container Runtime Namespaces + Cgroups
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containers in production Orchestration Container Runtime Namespaces + Cgroups
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containers in production Orchestration Container Runtime Namespaces + Cgroups
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Install Ruby Install packages copy your code Install gems Precompile assets
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containers in production Platform Orchestration Container Runtime Namespaces + Cgroups
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containers in production Platform Orchestration Container Runtime Namespaces + Cgroups
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DEPLOY your Rails app in a container
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- @crigor Thank you!
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Party The Duce 525 S Central ave