Why docker is taking over the world (docker birthday 2019)

2. About me
Fathi Jemli
● Software engineer @ Proxym-IT
● DevOps and Big Data enthusiast
Em@il: jemlifathi2013@gmail.com Twitter: @jemlifathi

3. Last 5 years Trends
● Microservices
● Cloud Computing
● Server-less development
● Environment independent development
● Analytics
● Big Data
● DevOps: CI/CD, Automation, Monitoring, etc.

4. Yesterday
VS
Now

7. BUT!

8. You have to take into consideration
● Technologies requirements
● Compatibility
● Portability: build once, run everywhere
● Keeping your system clean and healthy
● Performance

9. The Matrix From Hell

10. OMG! I hate my job!

11. What We Need
A solution to run each technology on its own optimized environment, without
worrying about its compatibility, test, integration and portability.

12. Solutions over
time
● Virtual machines
● FreeBSD jails
● Solaris zones
● LXC: Linux containers

13. What Are Containers
● Container is a standard format
● Operating System virtualization
● Isolated user space instances in term of process and file system
● Shares host Linux kernel
● Easily portable across environment
● Packages up software binaries and dependencies

14. What about
Docker:
Build, Ship
and Run
everywhere

15. Docker in 2013
A lightweight runtime and robust tooling to build and run
virtual containers on Linux to create the operating environment
for your distributed applications.

16. Docker in 2019
A Containers as a Service (CaaS) platform which
enables an IT Ops managed and secure application
environment (infrastructure and content) for developer
self service to build and deploy applications.

17. Docker-rising

19. Docker @ Proxym
● @dev
○ Containerized dev environments &
project templates
● CI/CD
○ Docker images for Gitlab pipelines

20. Gitlab CI/CD

21. Gitlab CI/CD

22. Try to keep your
containers like this

23. Not like this!