Docker Engine is an open source containerization technology for building and containerizing our applications. Docker Engine acts as a client-server application with a server with a long-running daemon process dockerd and APIs which specify interfaces that programs can use to talk to and instruct the Docker daemon. Docker Engine is available on a variety of Linux platforms, macOS and Windows 10 through Docker Desktop, and as a static binary installation. Docker Engine is the industry’s de facto container runtime that runs on various Linux (CentOS, Debian, Fedora, Oracle Linux, RHEL, and Ubuntu) and Windows Server operating systems.

Here’s an example playbook that we can use to install Docker Engine on Debian Bullseye after the base OS installation.

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