This document discusses DevOps concepts including containers, microservices, and tools like Docker and Ansible. It provides details on container orchestration as an alternative to Docker, scaling applications horizontally using microservices, and deploying stateless and stateful applications as containers. The document also discusses deploying containers on virtual machines in AWS and using tools like Docker, Container Linux, and Ansible for container management, and includes information on monitoring, auto-scaling, and chaos engineering.

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DEVOPS INDONESIA
DEVOPS INDONESIA
Jakarta, 28 Agustus 2018
DevOps Community in Indonesia
Ansible + Docker: Container orchestration alternative

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Enjoy, we provide
rice... snack
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Let’s get know each other

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DEVOPS INDONESIA
Head of Infrastructure & System Engineer
at
Kurnia D Win

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Okay, What is devops (again) ?

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Why + What
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Let me tell you a (fiction) story ...

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So, Microservices ?
Scaling horizontally is the key

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The solution (dev side)
- Use Linux (please, we are developing application for linux server).
- https://12factor.net
- The application must be able to be deployed in a distributed fashion.
- stateless app => easy
- stateful app => ???
- OCI Image (a.k.a. docker image) as unit for deploying
- ...

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The solution (ops side)
- Single service per VM
- OCI Image (a.k.a. docker image) as unit for deploying
- ...
Why?
- In AWS, cost for 2 x t2.nano is the same as 1 x t2.micro.
- https://martinfowler.com/bliki/PhoenixServer.html
- Principles of chaos engineering (http://principlesofchaos.org/)
- chaos monkey (https://github.com/Netflix/chaosmonkey)
- shared kernel configuration (sysctl) can be problematic
- CPU steal
http://blog.scoutapp.com/articles/2013/07/25/understanding-cpu-steal-time-
when-should-you-be-worried
- ...

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How
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Here come the tools ...

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Docker
Container Linux (a.k.a. CoreOS)

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Ansible

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It’s demo time
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Bonus
“Monitoring, autoscale by triggering jenkins job (can be ansible) to create EC2
on AWS”

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Stay Connected
@devopsindonesia
http://www.devopsindonesia.com
Kurnia D Win
https://www.linkedin.com/in/kurniadwin/
https://github.com/win-t
mailto:win@payfazz.com

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Alone We are smart, together We are brilliant
THANK YOU !
Quote by Steve Anderson
Psssttt !!, PAYFAZZ is hiring … (mailto:win@payfazz.com)