pulling and pushing image from and to Dockerhub

w hat is DockerHub??              Dockerhub is cloud storage, which is used to store the docker images from anywhere and use the image to an...



what is DockerHub??

             Dockerhub is cloud storage, which is used to store the docker images from anywhere and use the image to anywhere using Docker.

Pushing the Image to Dockerhub:

To Pushing the local docker image to docker hub we need to some steps.

 Step1: Login the docker.hub from the command line 

            Command: docker login --username=yourhubusername

Example:


Step2: Check the available docker images:

Command: docker images


Step3: Now the docker image won’t have a tag so need to set the tag for the image.

Here I am going to move the react-nginx image to my docker hub.


Command: docker tag 4853aafa83ff yourhubusername/repositoty name:anyword


Example: docker tag 4853aafa83ff username/react-nginx:firstdocker

After executing the above command checking the docker images list.



Step4: Now need to push the docker image to the dockerhub.

Command: docker push dockerhubusername/repositoryname


Example: docker push 12041995/react-nginx


Step5: Now need to check the docker hub repository from the browser.



In the Docker, It was updated as a public repository, we can change into private.

Change the docker repository to private.

Click the repository--> go to settings -->  click make private 



After Checking the repository, it was changed as private.


Pulling docker image from DockerHub:


Now I am going to pull the docker image from docker hub


Command: docker pull image name


Example: Here, I am going to pull the httpd Docker image.



Now, we have successfully pushed the local docker image to docker hub and changed to private and pull the image from dockerhub.


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