Let’s look at CloudFormation loops

On July 26th, AWS announced that AWS CloudFormation was now providing a “loop” syntax. I am very excited about that announcement because for more than 6 years I considered the absence of “loops” as one of the main drawbacks of CloudFormation compared to Terraform (along with its inability to manage a multi-account/multi-region stack). Of...

Lire la suite

Ensuring Cloudformation package only updates Lambda that have been modified

How do I ensure Lambda build consistency? How do I prevent my Lambda from updating at each deployment? TL;DR Fix your timestamps! Choose some date (2010-01-01 for exemple) and ensure that your code packaging always happen after you fix all atime and mtime to that fixed date. # Change the atime and mtime of all non-hidden file...

Lire la suite