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When people talk about avoiding vendor lock in with AWS, they tend to talk in terms of using k8s or another compute abstraction layer.

But I think the real lock-in lies in services like S3, making so many workflows simple and intuitive (while controlling your data, which is where the real lock-in lies)

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Yeah, even if you don't use any vendor-specific features, there's data gravity—It's hard to move your data from one location to another. AWS and others increase this cost even further by making egress so expensive.

Precisely - vendor lock-in generally happens at the data level. For example, AWS finally turned off their last Oracle DB server only a year or two ago.

Minio and other S3-compatibles make moving off of AWS that much simpler, though obviously it might be difficult if you're using Amazon-only S3 features extensively.

Especially if you layer on additional functionality, like triggering a lambda function to resize an image when it hits the S3 bucket.

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