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2 § § Senior DevOps Acceleration Engineer § DevOps Liquid Software § @tsuyoshi_miyake @tsuyo @tsuyo 

3 § Webinar Ø § § Q&A Ø Ø Chat 

Q&A 4 

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8 - https://www.docker.com/resources/what-container Photo by Victoire Joncheray on Unsplash 

§ § § § 1 : 1 § VM § Dockerfile § 3rd 9 

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§ § A B § § CPU 12 

§ § VM OS 13 

vs vs VM 14 

vs vs VM 15 

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§ OS § Linux Namespaces § Linux Control Groups (cgroups) § § : runc rkt lmctfy 19 

Linux Namespaces § § Namespace § cgroups 20 - https://man7.org/linux/man-pages/man7/namespaces.7.html 

Linux Namespaces PID 21 

Linux Namespaces 22 

Linux Control Groups (cgroups) § § CPU I/O 23 source: https://www.kernel.org/doc/html/latest/admin-guide/cgroup-v1/cgroups.html 

Linux Control Groups (cgroups) 24 

25 namespaces cgroups ... 

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§ § § API § : Docker containerd rkt 29 

Docker § § dockerd § docker § dockerd/containerd/runc § dockerd (Docker Engine) Dockerfile 30 Source: https://www.docker.com/blog/docker-engine-1-11-runc/ 

1979 2000 chroot FreeBSD Jails IP 31 2001 Linux VServer 2017 Kubernetes to CNCF 2004 Solaris Containers Solaris Resource Manager + Zones 2008 Process Containers Google cgroups 2011 LXC (LinuX Containers) Linux 2013 Warden CloudFoundry 2013 LMCTFY Let Me Contain That For You: Google OSS libcontainer 2015 2016 OCI 2016 Container Security DevSecOps Containerd to CNCF 2006 Docker 

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§ § OS OS (Kernel) § § § 34 

Q&A 

THANK YOU!