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YAML Zero to Master

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Learn basic & advance topics, data types, syntaxes, key features, and capabilities of YAML along with use cases.

Topics covered in the course

  • What is YAML (YAML Ain't Markup Language) and introduction to it
  • Writing a simple YAML file
  • Parsing and visualizing YAML files using Python
  • How YAML is different from XML (Extensible markup language) and JSON (JavaScript Object Notation)
  • YAML use cases and why it is being used heavily inside Configurations management
  • Thumb rules that needs to be followed in writing a valid YAML file
  • Scalars inside YAML and how they represent a single stored value
  • How YAML support various data types like Strings, Integer, Float, Date, Timestamp, Boolean, Null etc.
  • How to define Long,multi-line Strings in YAML using folded style and literal style
  • How YAML supports comments inside it and how to write them with the help of #
  • How YAML supports Date and Timestamp values
  • Tags in YAML
  • How to define Sequences, Sets, Ordered mappings in YAML
  • What is the common structure inside YAML document
  • How to write complex keys inside YAML using ?
  • What are Anchors & Alias inside YAML. How to write them using & and *
  • What is overriding/merging inside YAML and how to use inside Anchors and Alias using <<:
  • How YAML supports multi-documents and how to write them using --- & ...
  • YAML real examples inside AWS Cloud Formation, Docker Compose, Kubernetes etc.

Pre-requisite for the course

  • Basic understanding on XML and JSON
  • Interest to learn and explore YAML

Important Links

Important commands

  • PyYAML python package installation - pip3 install PyYAML
  • ruamel python package installation - pip3 install ruamel.yaml