This enables multiple versions of your app container to be created at different times.

This allows the app package to only require parts not already on the host computer, reducing the package size and improving performance.Ĭontinuous availability, using Docker containers with tools like Kubernetes, is another reason for the popularity of containers. Instead, Docker enables the app to use the same Linux kernel as the system that it's running on.

This permits developers to focus on writing code without worrying about the system that code will be run on.ĭocker containers are similar to virtual machines, but don't create an entire virtual operating system. Using a container ensures that the app will run the same regardless of any customized settings or previously installed libraries on the computer running it that could differ from the machine that was used to write and test the app's code. Containers enable developers to package an app with all of the parts it needs (libraries, frameworks, dependencies, etc) and ship it all out as one package. Overview of Docker containersĭocker is a tool used to create, deploy, and run applications using containers. If you need to run simultaneous containers or just prefer to install a container engine directly in your Linux distribution, follow the Linux installation instructions for that container service, such as Install Docker Engine on Ubuntu or Install Podman for running Linux containers. To run Linux and Windows containers simultaneously, you would need to install and run a separate Docker instance in WSL. However, while Docker Desktop supports running both Linux and Windows containers, you can not run both simultaneously. We recommend using Docker Desktop due to its integration with Windows and Windows Subsystem for Linux.

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