![]() The following operations need to be done under the root user, so use sudo -i or su root to switch to the root user to do so. (via Using Docker Compose) Installing Docker using official sources sudo apt install -y docker-ce docker-ce-cli containerd. In fact, you may see a lot of projects on GitHub/GitLab doing this now. Install Docker Engine Install Docker Engine using the apt command. Others can simply clone your repository and start writing applications. Installing Docker on Debian 11 (Bullseye) is a straightforward process that can be done in just a few steps. Update the package index, and install the latest version of Docker Compose: For Ubuntu and Debian, run: sudo apt-get update sudo apt-get install docker-compose-plugin For RPM-based distros, run: sudo yum update sudo yum install docker-compose-plugin Verify that Docker Compose is installed correctly by checking the version. The great advantage of using Compose is that you can define your application stack in a file so that it sits at the root of your project repository (which is now version controlled) and makes it easy for others to participate in your project. With Compose, you can create YAML files to define services and start or clean up everything with a single command. Traditionally, ops would need to run docker run to start various containers, and once there are too many containers, it is impossible to remember all the run parameters and commands at once, so we can use Docker Compose to solve this problem.ĭocker Compose is a tool to help define and share multi-container applications. ![]() The open source Docker community is dedicated to improving this type of technology and making it freely available for the benefit of all users. ![]() ![]() What is Docker?ĭocker is a containerisation technology that allows containers to be built quickly on a server and run software without polluting the host, eliminating the need to install and configure various environments. This article applies to both Debian 10 Buster and Ubuntu 20.04 Focal. ![]()
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