There are a number of other things you can configure in your Spinnaker installation enumerated below. At any point in time, assuming that your configuration changes were accepted by Halyard (no validation failed), you can apply your configuration using the same command used to initially provision Spinnaker:
hal deploy apply
Deploy to More Environments
hal config provider
You can add more Accounts to as many Providers as you want. There is nothing preventing you from deploying to two Kubernetes clusters, one Google Compute Engine project, and an App Engine application all at once.
Edit Your Storage Settings
hal config storage
While you have likely already setup a storage source during the initial installation of Spinnaker, you can always reconfigure it. However, it is up to you to migrate any data that you depend on.
Secure Your Spinnaker Installation
hal config security
You can configure SSL, setup a login page, or apply role-based authorization.
Setup Continuous Integration
hal config ci
Configure Jenkins or Travis CI to trigger Pipelines or supply Spinnaker with build artifacts to build into images and deploy.
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Enable notifications to be sent on Spinnaker events, and allow external events to trigger Pipelines in Spinnaker.
Monitor Your Spinnaker Installation
hal config metric-stores
Publish timeseries data from your Spinnaker installation to a variety of metric sources into curated dashboards. This is useful for understanding how to scale and troubleshoot your deployment of Spinnaker.
Now that you know how to make configuration changes, it’s worth learning how to Upgrade Spinnaker.