How to use the PhysicalResourceId for CloudFormation Custom Resources

16 January 2019, Tamás Sallai
Working with custom resources in CloudFormation is mostly a straightforward task. After you have the template for the Lambda function and the necessary permissions set up once, it is mostly copy-paste and handling the lifecycle is a matter of API reading. But it took me a lot of time to wrap my head around the PhysicalResourceId and what are the best candidates for this parameter.
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Custom resources in CloudFormation templates: Lessons learned

08 January 2019, Tamás Sallai
Working with custom resources opens up a new dimension of CloudFormation. Along with the built-in support for most AWS resources, you can add support to all sorts of other things. This also removes the limitation that CloudFormation can only handle resources in the AWS cloud; you can manage GitHub repositories, MailChimp campaigns, and many other third-party resources.
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How to manage S3 Objects in CloudFormation templates

01 January 2019, Tamás Sallai
You can create and manage the full lifecycle of an S3 bucket within a CloudFormation template. But there is no resource type that can create an object in it.
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How to manage custom CloudFormation resources with Lambda

25 December 2018, Tamás Sallai
CloudFormation is a powerful tool, and has broad support to other AWS services. Essentially, it is the main part of the infrastructure-as-code concept within the AWS environment.
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