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In this lesson, you’ll discover how Jinja2 transforms static templates into dynamic content by injecting variables, applying filters, and using control structures. Whether you’re generating HTML pages or automating infrastructure with Ansible, Jinja2 provides a flexible syntax to streamline your workflow.

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Introduction to Templating

Templating separates fixed content from dynamic data. For instance, imagine sending a personalized invitation to every employee:
  • Keep the main body of the letter in a template.
  • Substitute variables like employee name and family members.
  • Render hundreds of customized invitations in seconds.
Templating engine illustrating personalized invitation letters.
::: note Jinja2 can generate any text-based format—HTML, YAML, INI, or even code. It’s not limited to web pages. :::

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Jinja2 Use Cases

Use CaseDescription
HTML GenerationBuild dynamic web pages
Ansible PlaybooksAutomate server configuration and deployments
Configuration FilesRender service settings (INI, YAML, etc.)

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What You’ll Learn

Throughout this course, you’ll explore how to:
  • Inject and manage variables in your templates
  • Apply built-in filters to transform data
  • Use control structures (loops, conditionals)
  • Organize and reuse templates with inheritance and macros

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Course Structure

  1. Getting Started: Variables & Filters
  2. Control Structures: Loops & Conditionals
  3. Template Organization: Inheritance & Macros
  4. Real-World Examples: Web, DevOps, and Beyond
We look forward to guiding you through each of these topics and helping you master Jinja2!

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References and Further Reading

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