Implementing CD

In this section, we are going to implement a release pipeline in Azure DevOps by implementing a CD process for our app. This process will consist of deploying to the staging environment, followed by the Cypress end-to-end tests being executed before the deployment is promoted to production.

Deploying to staging

Carry out the following steps in the Azure DevOps portal to deploy a build to the staging environment:

1. In the Pipelines section in the left-hand bar, select Releases, as illustrated in the following screenshot:

   Figure 15.12 – Release pipelines

2. Click on the New pipeline button.
3. We will be prompted to select a template for the release pipeline. Let's choose the Azure App Service deployment template and click Apply, as illustrated in the following screenshot:

   Figure 15.13 – Release pipeline template selection

4. A nice visual representation of the release pipeline will appear, along with a panel...