Docker
Docker is a containerization project. It's primary components are:
dockerd(8), the container runtime and hypervisor
docker(1), the toolchain that includes a container image builder and a userland CLI for interacting with dokcerd(8)
Dockerfile(5), the container image recipe syntax
docker-compose(1), the container composition file and the toolchain for using those files
Compare to Podman.
Building and Deploying
Networking