Jsonnet from scratch

What you'll learn
Understand the benefits of using Jsonnet
Learn about all Jsonnet features
Flexibly produce JSON
Structure you Jsonnet code for flexibility
Manage your jsonnet code and its dependencies in your source versioning system
Understand how Jsonnet is executed

Requirements
Knowing what JSON is
Programming experience is beneficial

Description
Understand how Jsonnet works, and be productive writing Jsonnet code. Based on real worl experience.

Jsonnet is a programming language used to generate JSON and YAML content efficiently and with flexibility. JSON and YAML configuration formats are used pervasilvely. From docker-compose to Hashicorp tools like Vagrant and Terraform. Jsonnet is a tool of interest for anyone needing to generate JSON or YAML configuration. As such it is no surprise to see it is used by some tools helping to manage complex Kubernetes configurations.

This training helps you get productive rapidly with the Jsonnet language. It covers from the basics to the advanced techniques

Syntax and data types: The Jsonnet syntax is close to JSON. Actually a JSON document is a valid Jsonnet program! Discover the syntax along with the data types supported by Jsonnet.

Understanding the Jsonnet execution: When you know the syntax, it is tume to understand how Jsonnet code is executed. From Jsonnet expressions to JSON manifestation

Jsonnet functions: Learn to define and use function to avoid repetitions and modularize your code

Jsonnet objects: Discover the power of combining objects, and more importantly, understand how it works. Learn about inheritances, and how to augment an object’s existing value

Comprehension: Master array and object comprehension, allowing you to transform arrays to other arrays and even objects

Parameterised runs: See how you can pass parameters to a Jsonnet program

Libraries: Organise your code by authoring and using libraries. Manage your project’s dependencies with the Jsonnet Bundler, the package manager. Get tips on how to manage your Jsonnet with your source code versioning system.

Generate errors: Learn how to interrupt the Jsonnet execution early

Who this course is for
Devops, Programmers, system administrators that need to produce JSON or YAML config, eg for kubernetes

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