CloudFormation

How to include Serverless Repository apps in serverless.yml

Over the past year, the Serverless Application Repository (SAR) service has improved a lot. I have grown to enjoy it more and more, and have contributed a few applications myself: lambda-janitor: cron job to delete old, unused versions of all Lambda functions in the region to free up storage space. auto-subscribe-log-group-to-arn: subscribes new and existing …

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CloudFormation protip: use !Sub instead of !Join

Update 12/05/2019: as Moshe pointed out in the comments, Fn::Sub is not supported by the Serverless framework because it too uses the ${} syntax to support its own variables system. However, as is often the case with the Serverless framework, you can work around this issue with a plugin. Check out the serverless-cloudformation-sub-variables plugin which …

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