Container technologies have transformed software development and deployment by offering flexibility, scalability, and efficiency. Unlike virtual machines, containers are lightweight as they share the host's operating system. This makes them resource-efficient and fast. The post compares containers and VMs, highlights their security concerns, and introduces Docker and Podman for container management. It also provides a basic guide for building a Docker container using Rockylinux 9.
Table of contents
Containers - efficient, portable and scalableDifference to VMsIsolation of containersRoot or not-rootYour first container: a simple "Hello World" with DockerDifference between ENTRYPOINT and CMDLet's build and launch our containerPreviewSort: