What is Docker? 

LTT brought me here.

Great video

why do you need containers? why not just run Apache and rails on the os?

Linus brought me here

The only thing I would take exception to is the picture at :54. With VMs there is no OS between the server and hypervisor. The only OS is inside of the VMs. What is shown here is a Type 2 Hypervisor, which nobody uses in production. Type 2 Hypervisors are what you use on a development PC. Thus, it is APP -> OS -> Hypervisor -> Server. The difference is with Docker, as with Jails, is you share the same operating system, which is more efficient, while VMs can each have a different operating system or version, and share the same server via a thin hypervisor layer, so you don't need to buy a server for each operating system and version you want to run.

Ltt

Thank you, sir! Very clear explanation.

Idea for something in the future: > For a layperson, how does a docker production deploy compare to EC2, Heroku, or Elastic Beanstalk for something like a Node.js app?

you abstract concepts to explain more abstract concepts then you want to know why people wont use linux .... brilliant !

Again, great video and please think about posting one geared towards CIOs and the benefits of Docker to them - not just developers! Cheers,

#CoderJourney It's a good video. But you did not mention what is hypervisor.

I still don't understand what this is or what it does. LoL. but I think I need it. Can someone explain it to me like I'm a 5 year old? LMFAO

Most of us know that docker didn't create containers and for some who don't, no one here was insisting that docker created containers so be nice on docker. :)

Clear, concise and to the point. Thank you

clear and simple explanation

Probably the best explanation within 5 minutes.

Excellent presentation, very clear explanation what Docker is. ( in Greek - Εξαιρετική παρουσίαση)

"what is docker?" but explained for people who already know what docker is

Awesome pls upload more devops tools

Amazing dude....I imagine you are Gilfoyle from Silicon Valley especially in the episode where he teaches Richard about Crypto currencies ...really cool

excellent intro to docker and containers!

nice brief description, i liked it

Great video, but you are mispronouncing daemon. It is said like 'demon', not 'damon'. In fact it is just an older spelling of demon.

Simple and to the point. Thank you.

Awesome Video, good introduction, super helpful!

So docker is just an interface to provide better controls to create containers....

What is docker hub, and does that mean my internet is calling into some 3rd party site if I chose to use this?

So is docker for massive apps? i use a host to worry about my servers. so why would i care about docker?

good session.

It was a clear explanation, no doubt about it, but (and this is a VERY VERY VERY personal opinion), maybe you should try to put a little more effort in the vocalization, I mean what you said was very clear, but i felt that I was listening to a synthesized voice. Again, VERY personal opinion, I mean no harm. Cheers.

very good explanation, clear and simple!

Great video. I learned a LOT....

that asmr voice tho

the best, simple and clear explanation out there, thank you!!

Great Explanation. Can u please expand this by showing how to export an image/container from UBUNTU machine to Windows machine?

Thank you for a presentation on a very understandable level. I would like an explanation of blockchain on a similar level (what is it and why is it interesting)

thank you sir

Best explanation for those who already know *nix jails and just need to understand containers.