start docker

Docker is a popular tool in software development due to its ability to simplify configuration, version control, and deployment of applications. This article explains how to get started with Docker in a few straightforward steps.

INSTALLING DOCKER

First things first, Docker has to be installed on your computer before you can begin using it. Docker is compatible with various operating systems, including Windows, macOS, and Linux.

1. Visit Docker’s website download page at https://www.docker.com/products/docker-desktop
2. Download the appropriate Docker Desktop version for your specific operating system.
3. Once you’ve completed the download, execute the Docker Desktop Installer to start the installation process. Follow the prompts and accept the defaults unless you have a specific reason to change things.

LAUNCHING DOCKER

After you’ve installed Docker, launching it is straightforward.

For Windows and MacOS:

• Search Docker on your system and click to start.

For Linux:

• Docker typically runs as a background service. Start it up by typing sudo service docker start in the terminal.

Check the installation and if Docker is up and running by opening a command prompt or terminal window and typing docker version. This command should return information regarding the Docker version you have installed.

RUNNING A DOCKER CONTAINER

Now that you’ve got Docker running, let’s start a Docker container.

1. Open your terminal or command prompt.
2. Type docker run hello-world and press enter.

The hello-world image is a simple, introductory image that Docker users often start with. It runs briefly, prints out a welcome message, and then exits.

CONCLUSION

If you’ve managed to follow these instructions and received the expected outputs, congratulations! You have successfully installed and run your first Docker container. Exploring Docker and its functionalities can significantly improve your workflow and efficiency in software development.