Before you can deploy software your deployment targets, you need to tag them with target roles. This ensures you deploy the right software to the right deployment targets. Typical target roles include:
Using target roles means the infrastructure in each of your environments doesn't need to be identical. For instance, in the test environment, you might be using a single VM to test all of your software, and so you tag that VM with all of the target roles you use in your deployment process. However, in the production environment you might have one or more dedicated deployment targets per functional role, for instance, one deployment target for the database server which you would tag with the target role
db-server, and another deployment target that performs the role of web server and is tagged with the target role
Deployment targets can have more than one role, more than one deployment target can have the same role, and each deployment target must have at least one role.
Try to name the target roles based on the function the deployment targets will serve rather than describing some attribute of the deployment targets.
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