Comment by austinshea

Comment by austinshea 5 days ago

Most work isn’t greenfield.

AWS can be used in a different, cost effective, way.

It can be used as a middle-ground capable of serving the existing business, while building towards a cloud agnostic future.

The good AWS services (s3, ec2, acm, ssm, r53, RDS, metadata, IAM, and E/A/NLBs) are actually good, even if they are a concern in terms of tracking their billing changes.

If you architect with these primitives, you are not beholden to any cloud provider, and can cut over traffic to a non AWS provider as soon as you’re done with your work.

mdaniel 4 days ago

Of that list, watch out since IAM != IAM != IAM, so "cloud agnostic" is that famous 80/20 split

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austinshea 3 days ago

Some stuff is going to be provider-specific.
Let me explain why we’re not talking about an 80/20 split.
There’s no reason to treat something like a route53 record, or security group rule, in the same way that you treat the creation of IAM Policies/Roles and their associated attachments.
If you create a common interface for your engineers/auditors, using real primitives like the idea of a firewall rule, you’ve made it easy for everyone to avoid learning the idiosyncrasies of each deployment target, and feel empowered to write their own merge requests, or review the intended state of a given deployment target.
If you need to do something provider-specific, make a provider-specific module.

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