Creating Environments in Azure
In Figure 6.2, we defined four environments: Dev, QA, Staging, and Production. In this next section, we’ll discuss how to use automation and infrastructure to provision these environments in Azure.
Immutable Infrastructure
Before we discuss ways to create our infrastructure, let’s discuss two common ways to define your infrastructure and deployments. The first is the classic model, where a server is running for a relatively long time, with patches and updates applied regularly. Any breaking changes result in tweaks to the server configuration that must be rolled out and tested, resulting in regular maintenance and patching. The longer the server runs and the more deployments that happen against that environment, ...
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