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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Michael Barrett Head of Infrastructure Managing Not-So-Simple Infrastructure with Multiple CloudFormation Stacks Remind, Inc

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Your initial infrastructure

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. … and then it grows

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. … and then it grows

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Remind’s Initial AWS Infrastructure

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Remind’s Infrastructure Today (~3 years later)

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. AWS CloudFormation is awesome

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Template size limits Nested stacks Cross stack references … but it has limitations

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. How we want to manage our graph

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. How we want to manage our graph You shouldn’t have to understand the whole graph to work with it

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. How we want to manage our graph Changes should propagate automatically

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Changes should propagate automatically

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. How we want to manage our graph It should update without intervention, safely

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. How we want to manage our graph You should be able to easily determine dependencies

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. stacker: Your infrastructure is just a graph

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Lookups (kms, dynamodb, ec2 amis, etc) Testing framework for templates/blueprints An open source library of community maintained blueprints Graph visualization (check out those graphs!) Other useful features

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Thank you https://github.com/remind101/stacker @phobologic