devops cdt

Devops,SRE, Platform Engineer and curious about Engineering ,Mathematics, Physics, Electronics,Investing and current Events.

[devops cdt @devopscdt]

Basics of Docker Architecture
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The below are the important components of Architecture.

Docker Client -->
This is where we run commands like docker build, docker pull, docker push, docker run etc.
When we run commands, the client sends a REST API call to Docker daemon.

Docker Daemon (dockerd or containerd) -->
This is the engine which builds images, creates containers, push&pull images and manages networking & storage etc.

It Accepts REST API calls from clients and perform the required function.

Docker Images -->

Read-only templates used to create containers. The Applications along with it's libraries and other required components would be packaged as Docker image which will be used to create containers.

Docker Containers -->

Running instances of images that execute applications.

Docker Registry -->
A remote repository (like ARtifactory registry/Nexus Riegistry/ Docker Hub etc) which stores docker images.

The flow is explained in the diagram as below.

1. docker command is executed in the client.
docker build --> For building docker images by using Dockerfile and Application code and libraries etc.
docker pull --> For getting docker image from Docker Registry
docker push--> For pushing docker image to Docker registry
docker run --> To create and run the container.
docker stop/start --> To stop and start the docker container respectively

2. Client sends REST API request to daemon.

3. Daemon pulls image from registry if not present.

4. Daemon push the image(if we execute docker push command) to registry.

5. Container is created and started(if we execute docker run command)

[devops cdt @devopscdt]

@Bolly_BoxOffice 4.5

[devops cdt @devopscdt]

@AlwaysMadhuu @AlwaysRamCharan @BuchiBabuSana @PeddiMovieOffl Movie bagundhi bro...veellu lite...

[devops cdt @devopscdt]

@MohanReddy92380 Movie is very good..I liked it and will watch it again..

[devops cdt @devopscdt]

@FilmyBowl Great and inspirational movie..I will watch it again this weekend..

[devops cdt @devopscdt]

@ZhakkasBolly It's a good movie...

[devops cdt @devopscdt]

@ChalapathiYsj @AlwaysRamCharan It's a very good movie...it would be a super hit... don't worry about it...

[devops cdt @devopscdt]

Watched #peddi .. inspiring and good movie... wonderful acting by #ramcharan and great BGM by Rehaman...

[devops cdt @devopscdt]

@KshitizCritic I have just watched the movie.. it's a very good film... don't give negative reviews about the good films..Karma will be back...

[devops cdt @devopscdt]

@DevanshSaraswa4 @GoldenEye_6 They can't sell because of the lower circuit..

[devops cdt @devopscdt]

@pallavipandeyy Not Limited to IT... Applicable to all employees who pay income tax through salaries...

[devops cdt @devopscdt]

@vini546 Very useful 🙏

[devops cdt @devopscdt]

@RijhwaniSheetal Nowadays minimum help is only safe.. otherwise you will be used like a dust bin..many are following use,throw and forget policy...some people will backstab instead of showing gratitude...do help as minimum as possible and enjoy your life...I am saying with my personal experience

[devops cdt @devopscdt]

@vini546 No advice is the best advice 💯

[devops cdt @devopscdt]

@IndianTechGuide Great initiative... hope this Govt would be successful in this...

[devops cdt @devopscdt]

@ArunKrishnan_ Good for Chennai right... Their culture would not be spoiled like other cities...I am not from Tamilnadu but I like temples, culture in Chennai...

[devops cdt @devopscdt]

@Jasonphilip8 Sad to see this.. hope the minimum salary to be increased at least for Doctors...

[devops cdt @devopscdt]

@this_is_swati_ All the best 👍

[devops cdt @devopscdt]

@BaluGorade We are not being treated as investors for creating wealth...we are being treated as shock absorbers when someone like FIIs sell continuously...we have to bear this and this will not be changed any time soon...

[devops cdt @devopscdt]

@IMSauravRajput @RahulGandhi You don't the pain...who will take responsibility for this paper leakage? Many students in our area are crying after 3 years of preparation and hard work...

[devops cdt @devopscdt]

@SabbirX0 205