1. The document outlines the author's journey to becoming a Docker Captain, including founding their company Collabnix in 2015 and containerizing legacy Dell applications. 2. It discusses what Docker is and how it helps address the modern challenges of developing and deploying distributed, loosely coupled applications across multiple servers. 3. Docker Captains are elite community leaders and ambassadors who promote Docker through blogging, writing, speaking, tutorials, and open source contributions. The tips shared encourage getting involved in the Docker community by sharing knowledge and speaking at events.

1. 1
My Journey to Becoming a

2. 2
Ajeet Singh Raina
www.collabnix.com

3. 3
- My Journey Spectrum – Y/Y
- What problem does Docker solve for us
- Who are Docker Captains and what they do?
- 5 Tips to become Docker Captain – “a bonus”
Agenda

4. 4
My Journey
2015
The birth of Collabnix.com
Containerizing Dell Legacy Apps

5. 5

6. 6
What’s with this Docker thing?

7. 7
Monolithic A Decade Ago (and still valid)
Ap - Apps were monolithic
Slow Changing - Built on a single stack such as .NET or Java
L - Long Lived
- Deployed to a single server
Big Server

8. 8
Today
- Apps are constantly developed
- Newer version are deployed often
- Built from loosely coupled components
- Deployed to a multitude of servers
Customer/
Clients/ Users
Data
Storage
Data
Storage
Data
Storage

9. 9
Once upon a time… A Software Stack
9
Once upon a time… A Software Stack

10. 10
Now....much more distributed, complex..Now....much more distributed, complex..

11. 11

12. 12
Matrix from Hell…

13. 13

14. 14
An Effort to solve the problem complexity…An Effort to solve the problem complexity…

15. 15
Every possible goods to ship X Every possible way to shipEvery possible goods to ship X Every possible way to ship

16. 16
A Solution…

17. 17
Docker ~ Brings standardization on packaging goods

18. 18
Docker.com says
Docker is an open platform for developers and sysadmins
to build, ship & run distributed application.

19. 1919
What is Docker?
Virtualization Tool? Configuration Manager?
VM Manager?

20. 20
Less Portable,
Minimal Overhead
Most Portable,
Lots of Overhead
Manual Configuration Traditional VMs
Configuration Tools

21. 21
• Container based technology.
• Standardized packaging for
software and all the dependencies
• Isolate apps from each other
• Share the same OS kernel
• Works for all major Linux
distributions
What is Docker?

22. 22
VM Containers

23. 2323
Containers Vs VMs

24. 24
2015
Birth of Collabnix.com
Containerizing Dell Legacy Apps
2016
Honored as “Docker Captain”
Invited for Docker Distributed Summit,
Berlin, Germany
My Journey

25. 25
Docker Captains
Who are they?
 Community Leaders who love Docker
 An Elite group of Docker Super-Users
 Docker ambassadors but NOT Docker employees
What they do?
All the Great Things -
 Blogging
 Writing Books
 Speaking in Conferences,
 Creating Tutorials & Classes
 Offering Support in Forums, Slack Channels, IRC
 Contributing to Local Events
 Contributor for Docker Projects
https://www.docker.com/docker-captains

26. 26

27. 27
Docker Distributed Systems Summit, Berlin

28. 28
2015
Birth of Collabnix.com
Containerizing Dell Legacy Apps
2016
Honored as “Docker Captain”
Invited for Docker Distributed Summit,
Berlin, Germany
My Journey

29. 29
2015
Birth of Collabnix.com
Containerizing Dell Legacy Apps
2016
Honored as “Docker Captain”
Invited for Docker Distributed Summit,
Berlin, Germany
2017
Awarded “Most Read Blog”
Conducted Workshop @
Dockercon 2017 Austin TX
My Journey

30. 30

31. 31
2015
Birth of Collabnix.com
Containerizing Dell Legacy Apps
2016
Honored as “Docker Captain”
Invited for Docker Distributed Summit,
Berlin, Germany
2017
Awarded “Most Read Blog”
Conducted Workshop @
Dockercon 2017 Austin TX
2011
Docker Meetup Organizer
LinuxKit Contributor
My Journey

32. 32
2015
Birth of Collabnix.com
Containerizing Dell Legacy Apps
2016
Honored as “Docker Captain”
Invited for Docker Distributed Summit,
Berlin, Germany
2017
Awarded “Most Read Blog”
Conducted Workshop @
Dockercon 2017 Austin TX
2011
Docker Meetup Organizer
Top LinuxKit Contributor
2018
5 Million Visits @ Collabnix
Invited for Dockercon 2018 SF
2011
Birth of OpenUSM
DellEMC Server
Management & Log
Analytics
My Journey

34. #5 Tips for becoming Docker Captain

35. #1: Getting Involved with Docker Community – “Be Passionate”

36. #2: Share Your Knowledge via Blogs, Webinars

37. #3: Be a High-Class Docker Contributor

38. #4: Speak at Conferences

39. #5: Be Part of Local Docker Event

40. #6: Follow Docker Captains

42. Questions?