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Methodology/Strategy/Focus
We currently see 3 a number parts of this migration work. This consists of:
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An additional change to remove the DEV environment from the pipelines will also be required as it’s been decided that we will only have a PROD and PREPROD environments in AWS once this is done, we can destroy the DEV systems in Azure saving money early on.
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Environments
As stated earlier, as the DEV environment in Azure isn’t used much, we'll want to only have 2 environments in AWS. This would simplify deployments as well as save HEE money.
The new AWS environments will also have the exact same subnet CIDR blocks too. This will enable us to keep all of the same internal IP’s in AWS - further simplifying things for both developers (they will not need to learn new IP’s and machines) as well as simplifying the pipeline deployments as the Ansible configuration (inventory, var’s and vault) will not need to change
Flexibility and Managed services
Tooling used to migrate vms….
What can we deliver early and ensure value to the customer?
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