Power Up with Podman - Kubernetes Community Day LA

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Curious about containers beyond Docker? There’s a new generation of containers on the scene, Podman! Supporting secure, rootless containers for Kubernetes microservices, it was designed and built with the cloud in mind. Benefitting from the lessons learned out in the open from Docker, this next generation of containers will quickly become a trusted daily driver in your dev workflow. Covering what you need to know as an end-user from the UI to the backend, sharing a real world use case leveraging Podman for open source observability workshops https://o11y-workshops.gitlab.io. Paige will share how Podman and the adorable seal mascots Caitlín, Maighréad and Róisín have transformed her local development!

Technology

POWER UP
WITH
PODMAN
Paige Cruz from Chronosphere
KCD LA

2024
TIMELINE
5
2023
2022
2021
2020
2019
2018
First release
of Podman
v.0.3.5 (Apr 5)
Podman
v1.0.0
released
Podman 4.5
released
dockershim
removed in
K8s 1.24
Podman-desk
top released
v1.0,0
Podman 5.0

“
A daemonless container engine for
developing, managing, and running OCI
Containers on your Linux System
6

“
A daemonless container engine for
developing, managing, and running OCI
Containers on your Linux System
11

22
Install Podman
https://podman.io/docs/installation

Import saved containers!
1. docker export $yourContainer > $yourContainer.tar
2. podman import $yourContainer.tar
26

Docker-compose & podman ?! (A)
1. Verify DOCKER_HOST variable points to podman
socket
2. docker-compose up
3. docker-compose down
27

podman-compose* (B)
1. Install podman-compose
2. podman-compose up
28

Create Pods incrementally
● podman pod create --name $POD-NAME
● podman run -d --pod $POD-NAME $IMAGE_1
● podman run -d --pod $POD-NAME $IMAGE_2
● podman generate kube $POD-NAME >
$POD-NAME.yaml
29

Run Pods without Kubernetes
podman play kube $pod.yaml
- Pod
- Deployment
- PersistentVolumeClaim
- ConﬁgMap
30

“
No contribution is too small—from a
spelling mistake in a man page up to a
full-blown feature.
35

Communicate
37
○ IRC - https://web.libera.chat/#podman-desktop
○ Matrix - https://matrix.to/#/#podman:fedoraproject.org
○ Discord - https://discord.gg/vwpj7K6gW5
○ Slack - https://slack.k8s.io/ #podman-desktop
○ Email - podman-join@lists.podman.io

THANKS!
Find me at paigerduty
.com
@hachyderm.io
@chronosphere.io
41
Special thanks to these resources:
○ Presentation template by SlidesCarnival
○ Photographs from Pixabay

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Power Up with Podman - Kubernetes Community Day LA

1. POWER UP WITH PODMAN Paige Cruz from Chronosphere KCD LA

2. 2 alias docker=’podman’

3. 1. What is Podman? 3

4. 4

5. 2024 TIMELINE 5 2023 2022 2021 2020 2019 2018 First release of Podman v.0.3.5 (Apr 5) Podman v1.0.0 released Podman 4.5 released dockershim removed in K8s 1.24 Podman-desk top released v1.0,0 Podman 5.0

6. “ A daemonless container engine for developing, managing, and running OCI Containers on your Linux System 6

7. 7 CONTAINER

8. CONTAINER ENGINE 8

9. DAEMONLESS 9

10. Open Container Initiative (OCI) 10

11. “ A daemonless container engine for developing, managing, and running OCI Containers on your Linux System 11

12. 12 Podman & Friends

13. 13

14. 2. Podman Beneﬁts 14

15. Security 15

16. root 16

17. 17

18. Daemonless + rootless = ❤ 18

19. Familiar(ish) 19

20. Pods! 20

21. 3. Powering Up 21

22. 22 Install Podman https://podman.io/docs/installation

23. 23

24. 24 Bookmark the Troubleshooting Page

25. Podman Desktop 25

26. Import saved containers! 1. docker export $yourContainer > $yourContainer.tar 2. podman import $yourContainer.tar 26

27. Docker-compose & podman ?! (A) 1. Verify DOCKER_HOST variable points to podman socket 2. docker-compose up 3. docker-compose down 27

28. podman-compose* (B) 1. Install podman-compose 2. podman-compose up 28

29. Create Pods incrementally ● podman pod create --name $POD-NAME ● podman run -d --pod $POD-NAME $IMAGE_1 ● podman run -d --pod $POD-NAME $IMAGE_2 ● podman generate kube $POD-NAME > $POD-NAME.yaml 29

30. Run Pods without Kubernetes podman play kube $pod.yaml - Pod - Deployment - PersistentVolumeClaim - ConﬁgMap 30

31. Run Pods locally with Kubernetes 31

32. 4. Joining the Community 32

33. 33

34. 34

35. “ No contribution is too small—from a spelling mistake in a man page up to a full-blown feature. 35

36. Report Issues 36

37. Communicate 37 ○ IRC - https://web.libera.chat/#podman-desktop ○ Matrix - https://matrix.to/#/#podman:fedoraproject.org ○ Discord - https://discord.gg/vwpj7K6gW5 ○ Slack - https://slack.k8s.io/ #podman-desktop ○ Email - podman-join@lists.podman.io

38. Contribute 38

39. “ 39

40. “ 40

41. THANKS! Find me at paigerduty .com @hachyderm.io @chronosphere.io 41 Special thanks to these resources: ○ Presentation template by SlidesCarnival ○ Photographs from Pixabay

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