Dockerized apps on Kubernetes

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The document discusses deploying dockerized applications on Kubernetes. It begins with an overview of different deployment methods from manual to fully automated using containers and orchestrators like Docker and Kubernetes. It then focuses on how Docplanner uses Docker and Kubernetes in practice, including creating Dockerfiles, building docker images in a CI/CD pipeline, and deploying to Kubernetes with configurations like deployments, services, ingress, secrets and volumes. The presentation ends with discussing developer workflows and questions.

Technology

Docplanner Tech
DOCKERIZED APPS ON KUBERNETES
IN PRACTICE

Docplanner TechDockerized apps on Kubernetes in practice
About me
Lukasz Barulski
• backend dev AKA IAmDoingEverythingExceptFrontend dev
• been with DocPlanner since dinosaurs
/lbarulski /in/lukaszbarulski

Docplanner TechDockerized apps on Kubernetes in practice
Deployment, scaling
and
configuration managementhttp://www.rfcode.com/hubfs/computer-evolution.png

Docplanner TechDockerized apps on Kubernetes in practice
‣ FTP
‣ GIT PULL
Manual:
https://openclipart.org/download/213736/Besen.svg
➡ Manual deployment
➡ Manual scaling
➡ Manual CM

Docplanner TechDockerized apps on Kubernetes in practice
➡CAPISTRANO
➡FABRIC
Semi-automatic:
http://clipart-library.com/data_images/286432.gif➡ Manual scaling
➡ Automatic deployment
➡ Automatic CM
➡Ansible
➡Puppet

Docplanner TechDockerized apps on Kubernetes in practice
Fully automatic:
➡ Containers:
➡ Orchestrators:
‣ Docker
‣ RKT
‣ Kubernetes
‣ Docker Swarm
‣ Marathon(Mesos)
https://images.wired.it/wp-content/uploads/2016/03/1457709661_gatto.jpg

Docplanner TechDockerized apps on Kubernetes in practice
What do we use?
+

Docplanner TechDockerized apps on Kubernetes in practice
What is Docker? Google said:

Docplanner TechDockerized apps on Kubernetes in practice
What is Docker?
➡ Virtualization
➡ Containerization platform
IMHO:

Docplanner TechDockerized apps on Kubernetes in practice
What is Kubernetes? Google said:

Docplanner TechDockerized apps on Kubernetes in practice
What is Kubernetes?
Answer on question:
How the hell can I run and manage those containers on
production?
IMHO:

Docplanner Tech
OK… But what about PRACTICE?

Docplanner TechDockerized apps on Kubernetes in practice
https://i.imgflip.com/vwtol.jpg
How to create and deploy
microservice?

Docplanner TechDockerized apps on Kubernetes in practice
Dockerfile

Docplanner TechDockerized apps on Kubernetes in practice
Entrypoint

Docplanner TechDockerized apps on Kubernetes in practice
Composer ParameterHandler?

Docplanner TechDockerized apps on Kubernetes in practice
Continuous Delivery

Docplanner TechDockerized apps on Kubernetes in practice
Buddy pipeline - build docker image

Docplanner TechDockerized apps on Kubernetes in practice
Buddy - build docker image

Docplanner TechDockerized apps on Kubernetes in practice
Kubernetes deployment - simple https://goo.gl/AkrvVg

Docplanner TechDockerized apps on Kubernetes in practice
Kubernetes deployment - env vars https://goo.gl/AkrvVg

Docplanner TechDockerized apps on Kubernetes in practice
Kubernetes deployment - readiness https://goo.gl/AkrvVg

Docplanner TechDockerized apps on Kubernetes in practice
Kubernetes deployment - liveness https://goo.gl/AkrvVg

Docplanner TechDockerized apps on Kubernetes in practice
Kubernetes deployment - secrets/volumes
https://goo.gl/AkrvVg
Deployment context Container context

Docplanner TechDockerized apps on Kubernetes in practice
Kubernetes service https://goo.gl/kd9pcz

Docplanner TechDockerized apps on Kubernetes in practice
Kubernetes ingress https://goo.gl/kd9pcz

Docplanner TechDockerized apps on Kubernetes in practice
Set image in Kubernetes deployment

Docplanner TechDockerized apps on Kubernetes in practice
But for developers first run it’s still just a…
https://i.ytimg.com/vi/1y-DkdEE6hs/maxresdefault.jpg

Docplanner TechDockerized apps on Kubernetes in practice
Or at most …
https://i.pinimg.com/originals/7e/37/e7/7e37e73ba84e301530579c6643eaded3.jpg

Docplanner TechDockerized apps on Kubernetes in practice
#DevOps

Docplanner TechDockerized apps on Kubernetes in practice
#NoOps

Docplanner TechDockerized apps on Kubernetes in practice
Questions?

Docplanner TechDockerized apps on Kubernetes in practice
Thank You!
https://www.docplanner.com/career

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This slide deck presents DLHT, a concurrent in-memory hashtable. Despite efforts to optimize hashtables, that go as far as sacrificing core functionality, state-of-the-art designs still incur multiple memory accesses per request and block request processing in three cases. First, most hashtables block while waiting for data to be retrieved from memory. Second, open-addressing designs, which represent the current state-of-the-art, either cannot free index slots on deletes or must block all requests to do so. Third, index resizes block every request until all objects are copied to the new index. Defying folklore wisdom, DLHT forgoes open-addressing and adopts a fully-featured and memory-aware closed-addressing design based on bounded cache-line-chaining. This design offers lock-free index operations and deletes that free slots instantly, (2) completes most requests with a single memory access, (3) utilizes software prefetching to hide memory latencies, and (4) employs a novel non-blocking and parallel resizing. In a commodity server and a memory-resident workload, DLHT surpasses 1.6B requests per second and provides 3.5x (12x) the throughput of the state-of-the-art closed-addressing (open-addressing) resizable hashtable on Gets (Deletes).

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HCL Notes and Domino License Cost Reduction in the World of DLAU

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Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-and-domino-license-cost-reduction-in-the-world-of-dlau/ The introduction of DLAU and the CCB & CCX licensing model caused quite a stir in the HCL community. As a Notes and Domino customer, you may have faced challenges with unexpected user counts and license costs. You probably have questions on how this new licensing approach works and how to benefit from it. Most importantly, you likely have budget constraints and want to save money where possible. Don’t worry, we can help with all of this! We’ll show you how to fix common misconfigurations that cause higher-than-expected user counts, and how to identify accounts which you can deactivate to save money. There are also frequent patterns that can cause unnecessary cost, like using a person document instead of a mail-in for shared mailboxes. We’ll provide examples and solutions for those as well. And naturally we’ll explain the new licensing model. Join HCL Ambassador Marc Thomas in this webinar with a special guest appearance from Franz Walder. It will give you the tools and know-how to stay on top of what is going on with Domino licensing. You will be able lower your cost through an optimized configuration and keep it low going forward. These topics will be covered - Reducing license cost by finding and fixing misconfigurations and superfluous accounts - How do CCB and CCX licenses really work? - Understanding the DLAU tool and how to best utilize it - Tips for common problem areas, like team mailboxes, functional/test users, etc - Practical examples and best practices to implement right away

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Mobile Security Framework - MobSF is a free and open source automated mobile application security testing environment designed to help security engineers, researchers, developers, and penetration testers to identify security vulnerabilities, malicious behaviours and privacy concerns in mobile applications using static and dynamic analysis. It supports all the popular mobile application binaries and source code formats built for Android and iOS devices. In addition to automated security assessment, it also offers an interactive testing environment to build and execute scenario based test/fuzz cases against the application. This talk covers: Using MobSF for static analysis of mobile applications. Interactive dynamic security assessment of Android and iOS applications. Solving Mobile app CTF challenges. Reverse engineering and runtime analysis of Mobile malware. How to shift left and integrate MobSF/mobsfscan SAST and DAST in your build pipeline.

“Temporal Event Neural Networks: A More Efficient Alternative to the Transfor...

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For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/temporal-event-neural-networks-a-more-efficient-alternative-to-the-transformer-a-presentation-from-brainchip/ Chris Jones, Director of Product Management at BrainChip , presents the “Temporal Event Neural Networks: A More Efficient Alternative to the Transformer” tutorial at the May 2024 Embedded Vision Summit. The expansion of AI services necessitates enhanced computational capabilities on edge devices. Temporal Event Neural Networks (TENNs), developed by BrainChip, represent a novel and highly efficient state-space network. TENNs demonstrate exceptional proficiency in handling multi-dimensional streaming data, facilitating advancements in object detection, action recognition, speech enhancement and language model/sequence generation. Through the utilization of polynomial-based continuous convolutions, TENNs streamline models, expedite training processes and significantly diminish memory requirements, achieving notable reductions of up to 50x in parameters and 5,000x in energy consumption compared to prevailing methodologies like transformers. Integration with BrainChip’s Akida neuromorphic hardware IP further enhances TENNs’ capabilities, enabling the realization of highly capable, portable and passively cooled edge devices. This presentation delves into the technical innovations underlying TENNs, presents real-world benchmarks, and elucidates how this cutting-edge approach is positioned to revolutionize edge AI across diverse applications.

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Digital Banking in the Cloud: How Citizens Bank Unlocked Their Mainframe

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Inconsistent user experience and siloed data, high costs, and changing customer expectations – Citizens Bank was experiencing these challenges while it was attempting to deliver a superior digital banking experience for its clients. Its core banking applications run on the mainframe and Citizens was using legacy utilities to get the critical mainframe data to feed customer-facing channels, like call centers, web, and mobile. Ultimately, this led to higher operating costs (MIPS), delayed response times, and longer time to market. Ever-changing customer expectations demand more modern digital experiences, and the bank needed to find a solution that could provide real-time data to its customer channels with low latency and operating costs. Join this session to learn how Citizens is leveraging Precisely to replicate mainframe data to its customer channels and deliver on their “modern digital bank” experiences.

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Dockerized apps on Kubernetes

1. Docplanner Tech DOCKERIZED APPS ON KUBERNETES IN PRACTICE

2. Docplanner TechDockerized apps on Kubernetes in practice About me Lukasz Barulski • backend dev AKA IAmDoingEverythingExceptFrontend dev • been with DocPlanner since dinosaurs /lbarulski /in/lukaszbarulski

3. Docplanner TechDockerized apps on Kubernetes in practice Deployment, scaling and configuration managementhttp://www.rfcode.com/hubfs/computer-evolution.png

4. Docplanner TechDockerized apps on Kubernetes in practice ‣ FTP ‣ GIT PULL Manual: https://openclipart.org/download/213736/Besen.svg ➡ Manual deployment ➡ Manual scaling ➡ Manual CM

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6. Docplanner TechDockerized apps on Kubernetes in practice Fully automatic: ➡ Containers: ➡ Orchestrators: ‣ Docker ‣ RKT ‣ Kubernetes ‣ Docker Swarm ‣ Marathon(Mesos) https://images.wired.it/wp-content/uploads/2016/03/1457709661_gatto.jpg

7. Docplanner Tech What do we use?

8. Docplanner TechDockerized apps on Kubernetes in practice What do we use? +

9. Docplanner TechDockerized apps on Kubernetes in practice What is Docker? Google said:

10. Docplanner TechDockerized apps on Kubernetes in practice What is Docker? ➡ Virtualization ➡ Containerization platform IMHO:

11. Docplanner TechDockerized apps on Kubernetes in practice What is Kubernetes? Google said:

12. Docplanner TechDockerized apps on Kubernetes in practice What is Kubernetes? Answer on question: How the hell can I run and manage those containers on production? IMHO:

13. Docplanner Tech OK… But what about PRACTICE?

14. Docplanner TechDockerized apps on Kubernetes in practice https://i.imgflip.com/vwtol.jpg How to create and deploy microservice?

15. Docplanner TechDockerized apps on Kubernetes in practice Dockerfile

16. Docplanner TechDockerized apps on Kubernetes in practice Entrypoint

17. Docplanner TechDockerized apps on Kubernetes in practice Composer ParameterHandler?

18. Docplanner TechDockerized apps on Kubernetes in practice Continuous Delivery

19. Docplanner TechDockerized apps on Kubernetes in practice Buddy pipeline - build docker image

20. Docplanner TechDockerized apps on Kubernetes in practice Buddy - build docker image

21. Docplanner TechDockerized apps on Kubernetes in practice Kubernetes deployment - simple https://goo.gl/AkrvVg

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23. Docplanner TechDockerized apps on Kubernetes in practice Kubernetes deployment - readiness https://goo.gl/AkrvVg

24. Docplanner TechDockerized apps on Kubernetes in practice Kubernetes deployment - liveness https://goo.gl/AkrvVg

25. Docplanner TechDockerized apps on Kubernetes in practice Kubernetes deployment - secrets/volumes https://goo.gl/AkrvVg Deployment context Container context

26. Docplanner TechDockerized apps on Kubernetes in practice Kubernetes service https://goo.gl/kd9pcz

27. Docplanner TechDockerized apps on Kubernetes in practice Kubernetes ingress https://goo.gl/kd9pcz

28. Docplanner TechDockerized apps on Kubernetes in practice Set image in Kubernetes deployment

29. Docplanner TechDockerized apps on Kubernetes in practice But for developers first run it’s still just a… https://i.ytimg.com/vi/1y-DkdEE6hs/maxresdefault.jpg

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31. Docplanner TechDockerized apps on Kubernetes in practice #DevOps

32. Docplanner TechDockerized apps on Kubernetes in practice #NoOps

33. Docplanner TechDockerized apps on Kubernetes in practice Questions?

34. Docplanner TechDockerized apps on Kubernetes in practice Thank You! https://www.docplanner.com/career

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