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How to Learn Containers in 2024: Podman, Docker, and more

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Containers are revolutionizing modern IT, offering a lightweight and portable way to package and deploy applications. But what exactly are they, and how can you leverage their power? This post will be your guide to the exciting world of containers, container engines, and the tools to get you started.

Contained Magic: A Primer on Containers

Imagine a standardized shipping container. Inside, you can pack any application with all its dependencies, ready to run on any system with a compatible container engine. Thatโ€™s the essence of containers! They isolate applications from the underlying system, ensuring consistent behavior regardless of the environment. This makes development, testing, and deployment a breeze.

Container Engines: The Power Behind the Pack

Think of container engines as the tools that manage the lifecycle of your containers. Popular choices include:

  • Docker: The industry leader, Docker offers a user-friendly interface and vast ecosystem of tools.
  • Podman: A powerful, open-source alternative to Docker, well-suited for those working in container-centric environments like Red Hat.
  • CRI-O: (Container Runtime Interface) A lightweight runtime used by Kubernetes for container orchestration.

Why Containers Rule the Modern IT World

Containers offer a multitude of benefits:

  • Portability: Applications run seamlessly across different environments.
  • Isolation: Containers prevent conflicts between applications sharing the same system.
  • Scalability: Easily spin up or down container instances based on demand.
  • Resource Efficiency: Containers utilize resources more effectively than traditional VMs.

The Container Orchestration Symphony: Containers and Kubernetes/OpenShift

While containers are powerful on their own, managing multiple containers becomes complex. Hereโ€™s where container orchestrators like Kubernetes and OpenShift come in. They automate container deployment, scaling, and networking, allowing you to manage large-scale containerized applications with ease.

Fueling Your Container Learning Journey

Ready to dive deeper? Here are some amazing resources to get you started:

Container Fundamentals

Gain a thorough understanding of the moving parts that make up the typical container architecture, including container images, registries, and orchestration.

Learn from the Red Hat Developer

Podman Desktop Deep Dive โ€“ by Red Hat Developer

Elevate your container development workflows with this comprehensive module exploring the functionalities of Podman Desktop.

Learn from the Red Hat Developer

DO080 โ€“ Containers, Kubernetes and Red Hat OpenShift Technical Overview โ€“ by Red Hat

This on-demand video series offers an introduction to Linux containers and container orchestration with Kubernetes and Red Hat OpenShift.

Learn from the Red Hat Learning Portal

Container Fundamentals: A Practical Guide to Docker & Podman โ€“ by techiescamp

This free course by TechiesCamp delves into the core concepts of Docker and Podman, covering installation, configuration, image management, real-world tasks, and security best practices.

Learn from the Red Hat Learning Portal

Free Docker Fundamentals Course โ€“ by LearnCantrill

This comprehensive YouTube playlist by LearnCantrill provides a free and up-to-date introduction to the world of Docker and containerization.

Learn from YouTube

Learn Docker and Kubernetes โ€“ Free Hands-On Course โ€“ by Guy Barrette via freeCodeCamp

This 6-hour course by Guy Barrette teaches you containerizing applications with Docker, deploying on Docker Hub, and working with multi-container applications. It also introduces Kubernetes architecture, deployment, and management.

Learn from freeCodeCamp

Complete Docker Course (Beginner to Pro) โ€“ by DevOps Directive

This 4.44-hour course on YouTube covers everything from getting started with Docker to building a containerized web application and deploying it to the cloud!

Learn from YouTube

Docker Crash Course for Absolute Beginners by Nana Janashia

Learn from YouTube

Podman basics: Resources for beginners and experts โ€“ by Red Hat Developer

This article offers resources for both developers getting started with Podman and for those seeking more advanced information.

Read article

Docker and Kubernetes โ€“ Full Course for Beginners by Nana Janashia via freeCodeCamp

Learn Docker and Kubernetes in a crash course.

Learn from YouTube

Play-with-Docker (Free Course & Labs)

Play-with-Docker provides a free, interactive learning environment for Docker users. Explore multi-stage courses designed for Administrators or Developers, covering topics from beginner to advanced.

Learn now.

Docker for the Absolute Beginner by KodeKloud (Free Course & Labs)

KodeKloud offers a free course designed specifically for Docker beginners. Learn through video tutorials, demos, and interactive labs accessible directly from your browser, with no software installation required.

Learn from KodeKloud

The Takeaway: Embrace the Container Revolution

Containers are transforming the way we build and deploy applications. With the right tools and resources, you can join the container revolution and unlock a world of development efficiency and agility. So, start exploring, and get ready to conquer the exciting realm of containerized applications!sharemore_vert


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Gineesh Madapparambath is the founder of techbeatly and he is the co-author of The Kubernetes Bible, Second Edition. and the author of ๐—”๐—ป๐˜€๐—ถ๐—ฏ๐—น๐—ฒ ๐—ณ๐—ผ๐—ฟ ๐—ฅ๐—ฒ๐—ฎ๐—น-๐—Ÿ๐—ถ๐—ณ๐—ฒ ๐—”๐˜‚๐˜๐—ผ๐—บ๐—ฎ๐˜๐—ถ๐—ผ๐—ป. He has worked as a Systems Engineer, Automation Specialist, and content author. His primary focus is on Ansible Automation, Containerisation (OpenShift & Kubernetes), and Infrastructure as Code (Terraform). (aka Gini Gangadharan -


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