Create workflow to update Next Build container manifest file

[timcosgrove]

Requirements

We need a workflow to update Next Build's application manifest files, so that Argo CD knows to deploy a new container image to our application servers when code is updated.

Acceptance criteria

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1. Workflow can update the references to the container image for our four environments
2. Workflow is triggered upon successful completion of the container image update workflow

Background & implementation details

The workflow for updating the container image is #16863

Questions to answer as part of this work:

• How often does Argo CD poll the manifest files?
• How long does deployment take to complete once the manifest file is polled?
• Is there any application downtime while the deployment is taking place?

[timcosgrove]

#16863