Kubernetes Components explained! Pods, Services, Secrets, ConfigMap | Kubernetes Tutorial 14

Kubernetes Pods | Kubernetes Services | Kubernetes Secrets | Kubernetes ConfigMap | Kubernetes Volumes | Kubernetes Deployment | Kubernetes StatefulSet | Ingress
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Main Kubernetes components explained: Pods, Service, Ingress, Volumes, ConfigMap, Secrets, Deployment, StatefulSet. Just enough to get you started using Kubernetes in practice as a devops engineer or software developer.
Kubernetes has tons of components, but most of the time you are only working with a handful of them. This video shows you step by step how each component helps you to deploy your application and what the role of each of those components is.
▬▬▬▬▬▬ T I M E S T A M P S ⏰ ▬▬▬▬▬▬
0:00 - Intro
0:59 - Node and Pod
3:50 - Service and Ingress
6:04 - ConfigMap and Secret
9:20 - Volumes
11:26 - Deployment and StatefulSet
16:54 - Main K8s components summarized
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#kubernetes #kubernetestutorial #devops #techworldwithnana
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This video is the 14th of a complete series for beginners. At the end of this tutorial you will fully understand Docker and Kubernetes.
The complete step-by-step guide to Docker and Kubernetes will include the following topics:
🐳 DOCKER basics:
- Container concept
- Why docker? (image vs. traditional DevOps)
- Install docker on different operating systems
- 8 basic commands you need to know (2 parts)
- Docker vs. Virtual Machine
- Docker in Practice: Overview of whole development process with Docker (development, continuous delivery, deployment) Probably 3-5 videos including Docker-Compose, Dockerfile, Private Repository.
- Docker Volumes in theory and practice
✵ KUBERNETES basics:
- Main Kubernetes components (including Pod, Service, Ingress, Volumes, ConfigMap, Secrets, Deployment, StatefulSet)
- Kubernetes architecture for beginners (master, slave nodes & processes)
- Understand how does K8s REALLY work? Main Concepts of how to use K8s
- Minikube, Kubectl - set up the cluster and connect to it
- Kubectl main commands - Demo
- Configuration file (YAML) - syntax
- Communication between the pods - basic networking concepts in Kubernetes
- K8s Deployment in practice - example application deployment (pod + service + Ingress + secret)
- K8s Volumes explained
- Kubernetes Namespaces
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Legal Notice:
Kubernetes and the Kubernetes logo are trademarks or registered trademarks of The Linux Foundation in the United States and/or other countries. The Linux Foundation and other parties may also have trademark rights in other terms used herein. This video is not accredited, certified, affiliated with, nor endorsed by Kubernetes or The Linux Foundation.

[@TechWorldwithNana]

0:59 - Node and Pod 3:50 - Service and Ingress 6:04 - ConfigMap and Secret 9:20 - Volumes 11:26 - Deployment and StatefulSet 16:54 - Main K8s components summarized 👉🏼 For any questions/issues/feedback, please leave me a comment and I will get back to you as soon as possible. Please don't forget to subscribe and give me a thumbs up if you liked my video 😊

[@narendravungarala9496]

Best tutorials for K8. I watched your Jenkins pipeline videos as well . Thank you so much!! Can we get videos for Andible?

[@TechWorldwithNana]

@@narendravungarala9496 You're welcome, glad you like the videos! :) Do you mean Ansible? Already made a video about it, check it out on my channel

[@seshs-e]

I love your videos. Thank you for adding all the TOC and for being so clear that I can watch them even at 2x speed

[@Deep-Thinker]

Hey Nana, I love your great videos and appreciate your fantastic tutorials and content. Just a question, what software do you use to create these videos and animations?

[@rishiraj2548]

👍💯💯

[@ragus7609]

I am telling you that , You are much more better than paid courses on Udemy. Your explanations are crystal clear, precisely to the point and connecting every dots with real time. You are simply awesome

[@TechWorldwithNana]

Wow, thank you for such great feedback 😊

[@yogithakakarla1716]

Sooo truee

[@gbyeVHS]

Agree!

[@busta1243]

I'm in the middle of the first video, I been watching a LOT of kubernetes tutorials in youtube and I got frustaded because there is no good material, and then you just show up, and in the middle of the first video you cleared all my doubts about kubernetes components THANKS!, I will watch all your videos because they are solid gold! Regards from Argentina!

[@TechWorldwithNana]

Wow first of all I'm glad to hear that my video is so helpful and secondly thank you so much for sharing it with me - such feedback is what motivates and keeps me going. 🙂 Also would be thankful for your support by sharing my videos with colleagues or so. Greetings to Argentina! :)

[@RandyLin061]

I feel it the same. The best k8s tutorial in KZbin!!

[@nashwanabouzidan8400]

I had the exact same problem... and solution

[@MaximNikMazin]

This is my second year working with Kubernetes and I know all these basics, but I still watched the video with great pleasure. It would definitely help me a lot if I was just starting to dive into this topic)

[@juandanielmendezmarin5607]

i was so frustrated with all the kubernetes thing until i found this video. Thank you very much!

[@TechWorldwithNana]

Fantastic! I'm glad this has worked out well for you Juan. 🙂

[@AadityaSharma04]

Your videos are even better than the $300 courses offered. I am so glad I found your channel. God bless you for this!

[@TechWorldwithNana]

This is such a humbling experience Aaditya. Happy to share my experiences to everyone. 🙂

[@kvin007]

@@TechWorldwithNana Couldn't agree more. I was getting tired with my Udemy course, but this video brought my interest back! Thank you so much

[@iammarkfitz]

🙏

[@jackywang8011]

This is the BEST Kubernetes tutorial I ever found on KZbin, simple but clear

[@TechWorldwithNana]

Thanks Jacky. 🙂

[@dontacomx3794]

This channel is so underrated! You deserve waaaay more subs and likes. Unfortunately, I can't like videos twice. A clear explanation as I'm preparing for interviews. Please don't stop creating such high-quality content.

[@AmarYadav-qq8uu]

Omg, I can't even describe how your videos untangle literal nerve connections in my brain. It feels so nice to have the clarification I was missing on so many things. Even if all this seems simple to you, the way you teach makes it simple for us too. You are AMAZING!

[@ramsys9906]

To summarize. Hours and hours of other confusing tutorial made simple and concise in 18 minutes. Thanks and keep up with the good work. Some one rightly said teaching is an state of art.

[@armanavasthi]

So happy that I needed to learn Kubernetes and I found this channel. Just yesterday I was asked to start on helm charts and Kubernetes stuff and I literally had no idea about these. Just searched on youtube and here I am. Already finished 6 videos and each of them made my learning journey so so easy. Thank you so much Nana.

[@usamesavas9848]

you are such a great teacher. conciseness, emphasis, clarity, just wow!

[@scottnguyen9271]

I have been working with Kubernetes for 1 year and I got confused with many concepts. Thank so much for clearning them out. I really appreciate this video.

[@zambaq055]

Since i am begginer in k8s, i rarely watch your videos two times. most of them i watch once and it makes me clear. Thanks for having such a useful and simple courses

[@fatemepourghaemi2587]

I'm obsessed literally This was so easy to follow and actually fun to learn I'm definitely a huge fan of you walking us through every single step of the way ❤️

[@escrituratalks]

Nana, you are saving my semester, don't stop with your work!

[@jgabrielsousa]

lol about the muscle image at the end! Very helpfull, Tks!

[@neerajcrespo]

finally finally I found a video which explains clearly the differences and usefulness of basic components like pods, service. Thanks a ton

[@deswarnendu]

Core concepts of k8s explained with utmost simplicity, thank you!

[@evelynevelyn8478]

So concise and up to date. well delivered and organized. Good job Nana!

[@saket590acharya7]

Your speech and presentations are really good. Your way of explaining the things is simple and up to the mark. Your knowledge on K8s is remarkable. ❤

[@marinafuster7005]

Amazing explanation. I've already watched like 5 videos, and this one is great.

[@TechWorldwithNana]

Thanks Marina! Happy to hear :D

[@Dave-do3pp]

So lucid and clear, subscribed. Thank you Nana!

[@sflux4593]

After countless of tutorials on the web (including LinkedIn Learning), this is by far the best one I've seen. You've got yourself a subscriber, can't wait to watch all your video tutorials

[@TechWorldwithNana]

Wow thank you, appreciate your comment very much 😊 Please share and spread the word :)

[@revesbyalok]

Damm ! you nailed it, My 30 days trouble to understand K8 solved in 30 mins :)

[@TechWorldwithNana]

Cool, really happy to hear that my video is so helpful :D

[@user-jz3kg2hc3x]

Thank you so much. I'm just learning now and I find your videos have the right level of detail and graphics that make the concepts clear.

[@patsh4596]

This is a highly recommended tutorial!

[@SaurabhGupta-xv4fk]

I can see the effort you have put in your videos with the animations and diagrams....Thank you so much

[@TechWorldwithNana]

Thanks a lot Saurabh :)

[@sabburaj]

Hello Nana, Excellent series. I am loving these tutorials. I followed docker series from you and now Kubernetes. Very nicely explained! I appreciate your effort here!! Great work and thank you very much!

[@TechWorldwithNana]

Thank you so much Narayan! 🙂 Happy you like the videos so much that you watch the whole series. Please share, if you think other's will benefit from it :)

[@sauravparida49]

Loving this series , best thing is how the things are put in sequence one after another very properly . Thanks for the efforts :)

[@TechWorldwithNana]

Wow happy to get such a positive feedback! Thanks Saurav! 🙂

[@sauravparida49]

@@TechWorldwithNana You are welcome Nana :) I had asked you some query on insta dm , you might have not seen it :(

[@Ma0xMa0]

I work with K8s, but a lot of the times I feel like I didn't get the definition of the components right, and this helped me a lot. Thank you sooo much!

[@TechWorldwithNana]

Thank you Afiq. Means a lot to hear such positive feedback!

[@meghanamr3876]

Its a crystal clear explanation. Thanks for tutorial Nana!

[@RoshanProTrader]

I was overwhelmed with my knowledge with DevOps Nana cleared my mindset.. thanks a lot

[@jinsongeo]

Quality content! Short and to the point. Thank you for these tutorials.

[@TechWorldwithNana]

You're welcome, glad you like my content 🙂

[@makeithappen2024]

Thank you so much Nana! Your explanations are on point and easy to grasp!

[@AnujKumar-it6fy]

This is d best tutorial available on internet for understanding k8s. your contents are crisp and clear.

[@tapan.sharma]

Thank you, Nana for connecting the dots and making my journey of learning K8s easy and joy :)

[@TechWorldwithNana]

Awesome Tapan! Wishing you all the best on your journey! Stay safe. 🙂

[@mostinho7]

3:15 when a pod crashes and is replaced, the new pod gets a different IP address. That’s why we have the concept of a “service” which is like a load balancer for the pod. Like a load balancer, the service has a static IP address that doesn’t change even if the pod is replaced, while the PODs IP address changes. Internal vs external services, external allow communication from outside. 4:50 ingress 6:05 configmap and secret Configmap is external configuration to your application, secret is external configuration to your application that contains credentials You then connect the configmap and secret to the pod so that your application can read the variables (ex: using environment variables) 9:30 storage and volumes 11:30 deployment and stateful set

[@vintue]

You are amazing Nana. This course helped me a lot K8S in nutshell. Brilliant!!.

[@jagtarsingh2058]

amazing explanation. I liked how to covered everything precisely.

[@yashkumarbarot581]

I'm speechless after watching this video. It was so informative & easy to understand. Thanks, Nana & keep creating such great content.

[@valarmorghulis7862]

you are so good at breaking everything down, i wish you'd made videos for IaC tools too

[@mkarteek]

Excellent videos. No beating around the bush. Simple and straight to the point. Is it possible to share the slides? It would be easy to revise the concepts as many of them would remember the videos as snapshots.

[@KachPrettyLife]

Thank you so much for clear explanation in K8s, which is much better than read boring documentation, high recommended.

[@Random_Travelling]

I learnt kubernetes from your videos. Thank you very much. You are a great teacher. 👍

[@deepakmokashi1954]

Clean and precise explanation on to the point. Great !!!

[@ikrolo1]

Amazing videos - thanks a lot! I've even put some through a real stress test - watching a tech video while tired, and I'm still interested and learning! 🤯

[@santhoshkumarchakilam8126]

Thanks a Ton for this. Understanding video on k8s basics can't get better than this. Keep going Nana !!

[@TechWorldwithNana]

Thanks a lot! 🙂

[@satheeshmelb]

Whoa! Absolutely loved it. This is the way it should be done. Fabulous!

[@deepaktomar2545]

Hi Nana, such a clear detail and brief about each components. I followed all your video series on Docker & Kubernetes , which really helped me cracked interview with one of the gaming farm. Thank You.

[@hardik2905]

Thank you so much. Wonderful explanation of all the important concepts and terminologies. I found your videos very useful to digest instead of the k8s documentation. I'd recommend this channel to anyone who want kick start learning k8s. Actually I landed on one of the videos and now I am watching all the videos of this series.

[@nikhilligam176]

These visuals make it easy to understand.Dope stuff

[@ra7man7aj61]

That is what exactly I was looking for. Thank you for such greate explanation.

[@WildLifeBackyardCamera]

i had no other choices than clicking subscribe. Your work is such a quality and well presented! Wow, really congrats :)

[@chathulasampath3257]

This is the clearest Kubernetes explanation I saw so far :D love it!

[@TechWorldwithNana]

Awesome to hear, glad it was so helpful! That was the goal :)

[@sateeshpalla2321]

@@TechWorldwithNana Thank you for taking all the trouble helping us with the series.

[@douglasporto2564]

The best explanation about K8, MY congratulations 👏

[@Goodwin454]

Man the concept is very simple , I thought I'm stupid maybe I'm , but this video is just the light at the end of a dark long tunnel .

[@adriansanz1380]

Congrats for your videos! they are very explanatory to all these concepts that are tough to learn and relate to each other

[@thesobercoder]

Hey Nana, absolutely love your content. I've even shared the "Complete Kubernetes Tutorial for Beginners" playlist with my team. Just one quick feedback. Would you please arrange the "Complete Kubernetes Tutorial for Beginners" playlist in the correct order. Junior team members viewing it for the first time might get confused as to why tutorial #14 is the second video on the list.

[@lucasfe3436]

Congrats! This video and animations are excellent and you had a perfect explanation about the concepts. Thank you for your job.

[@TechWorldwithNana]

Thank you as well Lucas. 🙂

[@abdheshkumar2069]

The best resource for learning k8s. I have been straggling to understand k8s. Now I am more clear about k8s after watching your video. Thank you so much for the nice content.

[@TechWorldwithNana]

That's really great to hear! Thank you for your feedback 😊

[@compute-universe]

Very nice and to the point explanation by the way. We're working on Kubernetes and having courses from LinuxAcademy. My Boss recommended your video and asked me to prepare a presentation. Thank for the tutorial.

[@TechWorldwithNana]

Happy to help. 🙂

[@abayomiowolarafe8176]

Hi Nana, Permit to say that you are doing a fantastic job with lucid explanation, simplifying complex concepts, and making K8s taste like bread and butter. Could you please share the link if you have made a separate video on volume? This would help me concretize my knowledge.

[@samjellabilla4572]

Complex study made easy. The voice behind the lecture alone commands understanding. Anything worth listening is also worth learning. Thnks

[@TechWorldwithNana]

Thank you so much 🙂

[@MikeStock88]

Excellent tutorials, thanks so much for taking the time to do these

[@ericeleazarperez9264]

The best online guru for devops! U made things simplier to understand 🍻

[@vinomax347]

you are brilliant, you are helping ppl build their career and lives, god will bless you

[@lingjiang1925]

I have to say I never comment in KZbin before. This is the first one. Your channel is awesome. Thank you Nana for sharing these knowledge with us.

[@elebs_d]

Awesome Video, with very clear visuals and explanations. Thank you !

[@AmanpreetSingh-wk5ie]

The best video I have seen on this topic. Thanks a lot!

[@zombiQWERTY]

Thanks, very clean explanation of k8s basics

[@TechWorldwithNana]

Thank you!

[@ridan1111]

The way you define all these concepts is lit AF. Thank you so much, I love your channel for this. Please keep posting more videos. P.S. I am not sure if it's your voice, content, or both makes the video more interesting and easy to understand.

[@TechWorldwithNana]

This is great to hear Ridan. Stay tuned for more updates to come. Thank you. 🙂

[@mrinalsaha5918]

Thank you so much.. I have been following you ever since I started working on kubernetes..Your explanations are really really very good.

[@sangamsapkota2083]

You are just way too awesome at explaining🙏 I am glad that your channel exists to save our a**.❤ Thank you very much🙏❤️

[@karikalanrangasamy5745]

Excellent way of teaching. Flow of concepts is very well orchestrated. Thanks for the wonderful tutorial

[@kritsaphongphuthibpaphaisi1509]

Great work!! Thanks

[@anandjoshi6765]

Thank you so much ! This was exactly what I needed. Best primer on Kubernetes. :D

[@TechWorldwithNana]

Thank you Anand, really happy to hear :))

[@Majkirsche]

you are so great, I am really happy I found your videos, finally the things become clear.

[@TechWorldwithNana]

Happy to hear that Marija 😊

[@juancitox77]

Flawless and crystal clear explanation. Keep it up!

[@rishikeshdawalkar9064]

Loved this tutorial Nana, thanks 👍

[@lordnimo]

If anybody wants to learn the things by story telling way then this is the best example. Nicely explained all the concepts in very basic manner that a non technical user can also understand.. Thanks for decoding K8S jargon :)

[@TechWorldwithNana]

I always try to explain things in context :) Thank you for such a nice feedback 🙏🙂

[@reststop3632]

Presentation is very well organized. Thank you!

[@TechWorldwithNana]

Thank you as well! 🙂

[@janroggisch2310]

This has been very helpful, thank you!

[@yogi107]

You rock. Very clearly explained. Even a beginner can understand easily. Awesome tutorials.

[@TechWorldwithNana]

Thanks a ton! 😊

[@avepha]

Thank you so much! This explanation is very amazing!!

[@95kruti1]

Hi Nana, Trying to learn this from such long time and with so much content outside it is confusing. Your tutorials are the best till now! Thank you so much for creating such good content and clearing all my doubts! Regards from Canada

[@TechWorldwithNana]

You're welcome. Thank you as well for the support. 🙂

[@m2vlogs498]

I came for kubernetes, I subscribed to your deep voice. Its melodical.

[@TechWorldwithNana]

😄 thanks for subscribing!

[@sabiturhami]

Nice tutorial. Finally I understood this hard topic! Thanks. Subscribed!

[@TechWorldwithNana]

That's great, happy I could help in understanding it :)

[@baibhavghimire3827]

Great for interviews

[@seetsamolapo5600]

I wish you were doing Cloud courses too Nana. I'm supplementing my Paid course with your videos on kubernetes and containers because you explain it so well. While making sure the DBs reads and writes are synchronized across replicas to avoid data inconsistencies

[@01091a0477]

Thanks for the videos. Even though I have little experience on kube deployments, I got cleared of many doubts in simple manner. Definitely I use this kube series of videos for my future references. Again Thanks a lot for your efforts to keep this vidoes so interested and passion.

[@narutokunn]

This was amazing stuff. What crystal clear explanation. Great great job amazing.

[@nagarajdoddi4985]

Thank you Nana for the detail explanations and really very well explained since i even watched other videos of yours they are simply well explained thanks again for the videos

[@TechWorldwithNana]

Thanks a lot Nagaraj! Please leave a like on each of them :D This tells youtube it's a good video and will be recommended to others too 🙂

[@athulanil6292]

Thank-you Nana for this wonderful explanation 😍😍

[@rmagnum2002]

Girl.. that is a brilliant explanation of kubernetes. Thank you so much! Liked and subscribed! :)

[@hbuciussmith9593]

Very cool course ! Thank you so much. It well explained the basic concept!

[@zeedinstein]

Great explanation! Really want to see a video on scaling mongodb using statefulsets as that’s something I’m really struggling with at the moment

[@TechWorldwithNana]

Thanks Jason, actually I plan to do a separate video on deploying a database with stateful set. Wish I had more time for producing the videos to speed up! For now, I wrote a short article about Stateful Sets on dev.to dev.to/techworld_with_nana/what-is-a-kubernetes-stateful-set-2m9, maybe this helps. If you have a specific question, I can also try to answer that.

[@rekhajayaram7760]

Very well explained. Thanks!

[@codecode855]

this is much better & simplified than paid linkedIn learning courses !!!!

[@Infoiswealth]

Thanks a lot.. very nice explanation.. now i understood what are the major components of k8s.