Deploying from ARM and Bicep
Learn what Azure Resource Manager (ARM) templates are, how they can be compiled from Bicep, and how to deploy Cosmos DB accounts.
We'll cover the following
ARM templates
If you’re familiar with Azure, you might have encountered Azure Resource Manager (ARM) already, as it is a reliable way to deploy resources to Azure.
ARM templates are JSON documents that describe how to deploy a specific service. The properties to use differ from the parameters we use in the Azure portal, Azure CLI, and PowerShell.
The main advantages of using files and infrastructure as code (IaC) are:
Predictable results
Version control (Git)
Template creation
There are different ways to create these files with ease:
From the Azure portal
From VS Code (with extension)
From Visual Studio
From GitHub
Note: We can also create templates manually.
There are two main components for these templates:
The main template JSON
The parameters JSON
Remember: Parameterized templates make deployments in different environments much easier.
Cosmos DB template
Let’s see an example of a template for a basic Cosmos DB serverless account with one database and one container.
The file’s big but not too complicated. We can split it into three different parts:
Parameters
Variables (optional)
Resources
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