Intro to Docker

Docker is a powerful platform that facilitates building, deploying, and managing containerized applications. Its versatility extends to microservices, continuous integration/delivery, and cloud computing.

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Free tools

What you will learn

Docker Fundamentals

Explore the essentials of Docker, an innovative and widely-used platform for containerization. Understand the fundamental principles of containerization, setting a strong foundation for your Docker journey.

Dockerfile & Docker Image Creation

Learn the importance of Dockerfiles and Docker images in Docker operations. Master writing Dockerfiles and building Docker images, key skills to manage your containers efficiently.

Commands in Docker Containers

Immerse yourself in running commands within Docker containers. Learn how to interact with and control your Docker containers to enhance their functionality and reliability.

Real-World Applications

Get hands-on experience with Docker through a series of practical challenges. Learn when and why to use Docker containers and test your knowledge in real-world scenarios, solidifying your understanding and competence in Docker operations.

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Join our free tech courses at Le Wagon. As you develop new skills, you'll also work towards an important milestone—a recognized certification. Complete the course, earn your certification, and stand out in your career path.

Intro to Docker
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What is Docker?

Docker is a platform that utilizes container technology to package software in packages called container images, allowing it to be uniformly executed across various environments. Unlike a virtual machine which replicates a complete operating system, Docker containers run atop the host operating system, sharing the host machine's Docker Engine but maintaining resource isolation. With Docker, software can be packaged with all its dependencies, ensuring consistency across development, testing, and production environments. Key components and tools associated with Docker include Docker Compose for defining and running multi-container applications, Docker Swarm for clustering and orchestrating Docker containers, Docker Hub as a public registry for sharing container images, and Docker Machine and Docker Toolbox for older systems that don't directly support Docker Engine.

Who should have Docker skills?

Anyone involved in Software Engineering, Software Architecture, or Software Testing can benefit from having Docker skills. DevOps engineers, in particular, often leverage Docker for creating efficient CI/CD pipelines. Application developers can utilize Docker to ensure that their application code runs consistently across diverse environments. Those involved in Software As A Service (SaaS) or Software Security should also consider learning Docker to understand containerized application deployment and safeguarding, respectively. Moreover, with the increasing complexity of applications, those working on multi-container environments, Software Architecture, or even Software Testing can make use of Docker to simplify and streamline processes.

How can learning Docker benefit my tech career?

Learning Docker can substantially benefit your tech career by ensuring you stay at the forefront of Software Engineering trends, given its industry relevance with the rise of container technology and microservices. Mastering Docker not only enhances your productivity by allowing swift creation, modification, and deployment of containerized applications but also reduces the challenges associated with environment discrepancies. Moreover, as Docker has become an industry standard, proficiency in it often translates to better job opportunities, especially for DevOps engineers and application developers. Additionally, being an active participant in the Docker community can provide unparalleled learning experiences, networking opportunities, and even the chance to contribute and make a name for oneself in this rapidly evolving tech landscape. In essence, Docker, standing at the intersection of Software Development, Software Architecture, and DevOps, is an invaluable skill for those aiming to thrive in the modern software industry.

Is it really for free?

Absolutely! All the courses on this website are 100% free of charge. While you might need to pay for some of the tools featured in our free programming courses, most of them utilize free tools or offer free versions for you to explore.

How many classes are available?

We're continually adding new content, so you can expect a wide variety of courses! Stay tuned for regular updates.

I’m new to tech, will this be too hard for me?

No! Most of our courses are designed to be accessible even if you're new to tech. Our primary goal in offering these free courses is to help more people jumpstart their careers in tech. So, don't hesitate – dive in and give it a try!

How will I learn?

Our courses are organized into chapters, each featuring a lecture video created by one of our expert instructors. In these videos, they'll explain key concepts and demonstrate the process step by step. You'll also have access to the slides used in the videos. After watching the lecture, it's your turn to apply what you've learned! Tackle the challenges and create your own technical projects to solidify your understanding.

What is Le Wagon?

Le Wagon is a global leader in immersive tech training.
Our mission is to train people from all backgrounds in web development, data and no-code, give them the best learning experience of their life, and help them accelerate in their career.
We also help companies become more data-driven by leveraging their data and unlocking their employees’ potential through corporate training.
Founded in Paris in 2013, Le Wagon now has campuses in +40 cities across 25 countries, including global tech hubs such as Berlin, London, Tokyo, Shanghai, Singapore, and Sao Paulo. Most importantly, Le Wagon is a community of 20,000+ graduates - from all walks of life, including many entrepreneurs (who created 200+ tech startups and raised $862M+ globally), career changers, and digital nomads.