#Docker run image default attached how to#

#Docker run image default attached how to#

In this tutorial, we will show you how to use docker run image command in Linux. So, you can say this part is a minimal part of an operating system or operating system userspace minus operating system kernel. These files are nothing but a small part of an operating system that is required to run docker container as an isolated unit of any machine. Docker container is an actual place where the live application or the database or any other software application runs.Д®very docker image contains some necessary sets of files. In simple terms, the docker image is a blueprint of docker container or definition of a docker container. 3 The -d option (daemon mode) keeps the container running in the background. You can also create any number of containers from the same docker image. How to run docker container 1 The -i option means that it will be interactive mode (you can enter commands to it) 2 The -t option gives you a terminal (so that you can use it as if you used ssh to enter the container). You can also say containers are nothing but an instance of a docker image. So, when we run the docker image with the help of docker run command, it produces output as a docker container. Docker images are used to build containers. Docker images are nothing but a set of read-only files when I say a set of read-only files it means once a docker images build it cannot be modified, but you can always create a new image with the help of existing docker image.