Pushing an image to Docker Hub
The goal of creating a Docker image that contains an application is to be able to use it on servers that contain Docker and host the company's applications, just as with a VM.
In order for an image to be downloaded to another computer, it must be saved in a Docker image registry. As already mentioned in this chapter, there are several Docker registries that can be installed on-premises, which is the case for JFrog Artifactory and Nexus Repository.
If you want to create a public image, you can push (or upload) it to Docker Hub, which is Docker's public (and free, depending on your license) registry. We will now see how to upload the image we created in the previous section to Docker Hub. To do this, you need to have an account on Docker Hub, which we created prior to installing Docker Desktop.
To push a Docker image to Docker Hub, perform the following steps:
- Sign in to Docker Hub: Log in to Docker Hub using the following command...
