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Learn YAML from Scratch
Rating: 4.2 out of 5(113 ratings)
14,766 students

Learn YAML from Scratch

Master the data types, syntax, and advanced features of YAML with lots of practical examples
Created byTarun Telang
Last updated 2/2026
English

What you'll learn

  • Master YAML syntax, data types, and structure from the ground up
  • Read, write, and understand YAML syntax with complete confidence
  • Never struggle with YAML syntax errors again - understand exactly how indentation, colons, and data types work
  • Understand why YAML is the standard for modern DevOps configuration
  • Overview of various use cases of YAML (Docker, Kubernetes, and modern CI/CD pipelines)
  • Learn the differences between YAML, JSON, and XML and when to use each
  • Work with all YAML data types: strings, numbers, booleans, lists, dictionaries, and null values
  • Use multi-line strings, special characters, and proper escaping techniques
  • Create complex nested data structures that model real application configurations for large projects
  • Use advanced YAML feature like anchors, aliases, and merge keys to write DRY (Don't Repeat Yourself) configuration files
  • Debug YAML files efficiently using linters, validators, and modern development tools
  • Write production-ready configurations that your team can easily understand and maintain
  • Build a solid foundation to advance confidently into Docker, Kubernetes, Ansible and Terraform/Infrastructure as Code specializations all rely on YAML heavily
  • Debug YAML issues in minutes instead of hours, using the right tools and techniques

Course content

9 sections • 54 lectures • 1h 44m total length

  • Course Introduction3:16

    Welcome! I'm thrilled that you have joined this course—Learn YAML from Scratch
    You've just taken the first step toward mastering YAML—the configuration language that powers Docker, Kubernetes, CI/CD pipelines, and modern DevOps.


    If you've ever struggled with YAML syntax errors, spent hours debugging configurations, or felt confused by indentation issues, this course will change that.

    YAML is everywhere in modern software development. It's the configuration language powering Docker, Kubernetes, GitHub Actions, Ansible, and virtually every DevOps tool you'll encounter.

    But here's the problem:

    "Most developers learn YAML by trial and error—copying and pasting code they don't truly understand."

    That changes today. This course will help you master YAML from the very beginning. No more guessing. No more mysterious errors. Just a clear, confident understanding.

    Whether you're a software developer moving into DevOps, a system administrator modernizing your skills, or someone just starting your cloud journey, this course will give you the foundation you need.

    By the end of this course, you'll:
    - Understand exactly how YAML works and why it's designed the way it is
    - Read and write any YAML configuration file with confidence 
    - Be fully prepared to dive into Docker, Kubernetes, and advanced DevOps tools
    - Earn a certificate you can add to your LinkedIn profile and resume

    One more thing—I've designed this course to be practical, not theoretical. Every concept is demonstrated with real examples. Every technique is something you'll actually use.

    This isn't just about learning syntax; it's about becoming effective with the tools that matter in today's development world. Ready to transform confusion into confidence?

    Let's begin your YAML mastery journey!

  • Course Highlight3:48

    Get to know the learning objectives for this course.


    About Your Instructor

    Hi, I'm Tarun Telang, and I'm excited to be your instructor on this YAML mastery journey!

    With over 20 years of experience in software architecture for enterprise systems at world-class companies like Microsoft, BlackBerry, Oracle, and SAP, I've seen firsthand how critical proper configuration management is to successful software deployments.

    I've designed and deployed systems that rely heavily on YAML for:

    - Container orchestration with Kubernetes

    - Infrastructure as Code deployments

    - CI/CD pipeline automation

    - Microservices configuration management

    I've worked on large-scale systems where YAML configurations power everything from container orchestration to CI/CD pipelines. I've debugged countless YAML errors, designed configuration strategies for enterprise applications, and trained development teams on DevOps best practices.

    I am well-versed in YAML, as I use it daily in production environments.

    But here's what matters most: I'm passionate about sharing knowledge. For over 15 years, I've been presenting at software technology conferences, writing technical articles, and creating educational content that helps developers level up their skills.


    I've taught thousands of students through my online courses, and nothing brings me more joy than seeing them gain confidence and advance their careers.

    Many have:
    - Landed DevOps roles at top companies

    - Passed Kubernetes certifications (CKA, CKAD)

    - Contributed to open-source projects

    - Deployed applications to AWS, Azure, and GCP

    - Advanced from junior to senior developer roles,
    and they often tell me that mastering the fundamentals—like YAML—was the key to their success.


    My Teaching Philosophy:
    - Start with the "why" before the "how."
    - Explain concepts clearly without unnecessary jargon
    - Provide hands-on practice, not just theory
    - Be available to answer questions and support your learning
    - Use real-world examples from production environments


    This course represents my commitment to helping you build a rock-solid foundation in YAML. I've designed every lecture, example, and project based on actual scenarios I've encountered in enterprise software development.

    Whether you're just starting your DevOps journey or looking to formalize your YAML knowledge, I'm here to help you succeed. Let's master YAML together!

    Connect with me:

    - Ask questions in the course Q&A—I respond personally

    - Follow my blog at https://taruntelang.medium.com for DevOps tips and best practices

    - Connect on LinkedIn (http://linkedin.com/in/taruntelang) to stay updated on industry trends

    - I create in-depth tutorials, practical demonstrations, and DevOps guides on my YouTube channel (youtube.com/@dev-skills).

    Whether you're learning Docker, Kubernetes, or configuration management, you'll find valuable content to support your learning journey.

    Ready to transform your configuration skills? Let's get started!

  • [Article] Course Overview1:54

    Get to know about this course, its prerequisites and target audience.

Requirements

  • There are no prerequisites for taking this course.
  • No prior YAML experience required, we start from scratch
  • However, basic knowledge and familiarity with HTML, XML or JSON would be helpful.
  • Basic understanding of command line is helpful but not required
  • Any computer (Windows, Mac, or Linux) with internet connection
  • Enthusiasm to learn DevOps and cloud technologies!

Description

What is YAML?

YAML stands for YAML Ain't Markup Language. It is a very popular data serialization format for storing configuration data or exchanging data between people and computers. It is more human-readable and concise than XML or JSON. It has now become a key technology for creating complex configurations in various modern technologies like automation, testing, containerization, cloud (AWS, Azure, or GCP) deployment, DevOps, etc.

About this Course

Wondering what YAML files are? This course provides a comprehensive overview of the YAML data serialization language, covering its syntax and the basic concepts like key-value pairs, lists, nested structures, and advanced features.

This course is for Software Engineers, Full Stack Web Developers, DevOps Engineers, Software Architects, Managers, and Hobbyists; Develop the skills to write and understand the YAML files effectively, making it easier to configure and manage configuration data across various applications and systems.

Why you should learn YAML

Every IT professional looking to create structured data in a compact and human-readable format should learn YAML (YAML ain't markup language). YAML is a key technology for creating complex configurations in various modern technologies related to automation, testing, containerization, AWS/Azure/GCP cloud deployment, DevOps, etc.

Learning about YAML would be very beneficial for today's IT Professionals. Below is a list of some of the popular software tools and frameworks that make extensive use of the YAML data format.

  • DevOps - CircleCI, Travis CI, Azure DevOps, Jenkins X

  • Frameworks: Spring Boot,

  • Automation: Chef Automate, Ansible

  • Container: Docker, Kubernetes

  • Documentation: Swagger,

  • and many more ...

This course covers YAML specifications in their entirety in a very to-the-point manner.

Key Highlights

Learning Objectives for this course are -  

  1.   Understand what YAML is, its purpose and benefits

  2.   Build fluency with the YAML syntax

  3.   How to use primitive data types in a YAML document

  4.   How to use complex data types in a YAML document to model data

  5.   How to use advanced features of YAML processors

  6.   Learn to write and read YAML files effectively

  7.   Comparison of YAML with other popular data formats like JSON and XML

  8.   How to represent data using YAML files

  9.   Master advanced YAML techniques and best practices

  10.   What are the different styles and special features of YAML?

  11.   Get to know tools and technologies that leverage the YAML format

  12.   How to create YAML documents effectively

  13.   How to validate YAML files

  14.   Learn about various tools for creating valid YAML documents effectively

What you will learn

1. Acquire a solid understanding of YAML's purpose, advantages, and common use cases.

2. Grasp the YAML syntax, including key-value pairs, lists, and nested structures.

3. Develop proficiency in writing and reading YAML files for configuring data accurately.

4. Explore advanced YAML techniques, such as anchors, aliases, and custom tags.

5. Implement best practices to ensure clean and maintainable YAML code.

After taking the course, you would add YAML to your skillset in two hours. You will have a great new skill that is transferable and highly applicable. This course is aimed at software engineers of all levels, from beginner to advanced, who want to get updated with YAML syntax.

Buying this course entitles you to all future updates.

Prerequisites

There are no prerequisites for taking this course. However basic knowledge and familiarity with HTML, XML and JSON would be helpful.

Who is this course for

This course is aimed at software engineers of all levels, from beginner to advanced, who want to get up to date with YAML syntax. There are no prerequisites for taking this course. However, basic knowledge and familiarity with HTML, XML, and JSON would be helpful.

How is this course structured

The course is backed by carefully designed quizzes and engaging exercises. In addition, this course also contains video lectures, reading materials, associated presentations, source codes, and references to the latest tools, frameworks, and libraries related to YAML.

After completing this course, you would also earn a YAML certificate to add to your LinkedIn profile, resume, or personal website.

Who this course is for:

  • Software Engineers, transitioning to cloud-native development
  • IT Professionals who copy-paste YAML configs without understanding them
  • Beginners starting their DevOps learning journey
  • System Administrators modernizing their infrastructure skills
  • Aspiring DevOps Engineers, who want to master configuration fundamentals
  • Full Stack Web Developers, Software Architects, Managers, or someone with basic understanding of YAML but curious about knowing its advanced features.
  • Students preparing for DevOps certifications (CKA, CKAD, AWS DevOps)

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