@RobEarlam An Introduction to Docker & Containers Rob Earlam 

@RobEarlam COFFEE BY WIFI BY CHILDCARE BY 

@RobEarlam Rob Earlam Who am I? https://robearlam.com https://twitter.com/robearlam https://www.linkedin.com/in/rob-earlam/ https://github.com/robearlam 

@RobEarlam @RobEarlam Dependencies Environments Upgrades Operating Systems Deployments 

@RobEarlam Application Dependencies Libraries Configuration Other @RobEarlam 

@RobEarlam @RobEarlam What is a Container? How is a container different from a VM? 

@RobEarlam Infrastructure Hypervisor Virtual Machine Operating System Application A Virtual Machine Operating System Application C Virtual Machine Operating System Application B Infrastructure Host Operating System Docker Application A Application B Application C Application D Application E Application F @RobEarlam Virtual Machines vs Containers 

@RobEarlam @RobEarlam Images & Containers Image X abcd1234 xx MB abcd1234 xx MB abcd1234 xx MB abcd1234 xx MB Container X abcd1234 xx MB abcd1234 xx MB abcd1234 xx MB abcd1234 xx MB Thin R/W layer 

@RobEarlam @RobEarlam Registries https://hub.docker.com/ 

@RobEarlam https://hub.docker.com Docker Daemon / CLI Local Registry Containers @RobEarlam Images, Containers & Registries 

@RobEarlam @RobEarlam Docker Daemon / CLI Containers Volumes Local Registry 

@RobEarlam Networking @RobEarlam Docker Daemon / CLI Containers Local Registry 

@RobEarlam @RobEarlam Docker Daemon / CLI Containers Developer Experience Local Registry 

@RobEarlam @RobEarlam Conclusion Images Containers Registries Volumes Networking Container vs VM Developer Experience 

@RobEarlam Questions? https://robearlam.com https://twitter.com/robearlam https://www.linkedin.com/in/rob-earlam/ https://github.com/robearlam