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Making Your Existing ARM Templates Reusable Using Parameters and Functions

In this lab, we will practice making an existing ARM template more reusable so that it can be deployed to multiple environments. We will do this by replacing some of the hardcoded elements with functions and adding parameters, along with a parameters file.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 45m
Last updated
Clock icon Sep 03, 2025

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Table of Contents

  1. Challenge

    Add Parameters

    • Grab the initialdeploy.json file to be edited from this provided GitHub repository.
    • Add parameters in the ARM template deployment file for the following:
      • VM Username
      • VM Password
      • VM Environment (dev or prod)

  2. Challenge

    Add Functions

    • Add a function so the VM will be deployed to the resource group location automatically.
    • Add a function to create a unique name for the VM based on the resource group ID.
    • Create a function to determine if the environment is dev or prod, and to change the size of the VM accordingly:
      • Dev: Standard_DS1_v2
      • Prod: Standard_D2s_v3

  3. Challenge

    Add the Parameters File and Deploy

    • Create a parameters file for the parameter values.
    • Deploy the template with the parameters file.
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
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