The document discusses the benefits and challenges of using Docker in development and production environments. It highlights that Docker enables faster deployment, better resource utilization, and improved developer productivity, while also noting potential issues such as dependency management and security concerns. Overall, the presentation emphasizes both the advantages ('the light') and the downsides ('the dark') of adopting Docker technology.

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Confidential ©2008-15 New Relic, Inc. All rights reserved.
Docker: Light and Dark!
Tori Wieldt !
Developer Advocate!
@ToriWieldt!

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Confidential ©2008-15 New Relic, Inc. All rights reserved.
§ OS-level virtualization
§ NOT Microservices
(but they go together well)
§ NOT the cloud
(but is often run there)
§ New Relic has been using Docker in
production for two years
Docker

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Confidential ©2008-15 New Relic, Inc. All rights reserved.
Product Overview!

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Confidential ©2008-15 New Relic, Inc. All rights reserved.
What can containers provide?
§ Faster: code to production
§ Better: manage in production
§ Better: developer productivity
§ Cheaper: better resource utilization
§ “Docker gets you to ask the right questions”
Docker : The Light

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Confidential ©2008-15 New Relic, Inc. All rights reserved.
Speed
§ “It worked on my laptop” goes away
§ Standing up a dev environment takes much less time
§ Launching a container 6x faster than a VM
Reliability
§ Forces you to know every dependency
§ Identical running containers in case of failure
Better Utilization
§ 4-6x better server util than VMs
Docker : The Light

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Confidential ©2008-15 New Relic, Inc. All rights reserved.
Product Overview!

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Confidential ©2008-15 New Relic, Inc. All rights reserved.
It Takes Time
§ Dependencies!
§ All those env variables
Pioneering Days
§ Docker is a moving Target
§ Docs are written for greenfield
Had to Learn
§ Containers will fail
§ Noisy neighbors issues
§ Have you set a memory limit?
Docker : The Dark

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Confidential ©2008-15 New Relic, Inc. All rights reserved.
Not Ideal State (yet)
§ Takes time to get dev environment set up
§ Not self-serve for devs to deploy
§ Still have to create Runbooks
§ Security – processes can escape!
Docker : The Dark

9. Thank You!
Tori Wieldt
Tori@newrelic.com
@ToriWieldt
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Confidential ©2008-15 New Relic, Inc. All rights reserved.