When deploying CloudFormation stacks in a “Continuous Delivery” manner with CodePipeline, one might encounter the challenge to pass many parameters from the CloudFormation stack describing the pipeline to another stack describing the infrastructure to be deployed (in this example a stack named application).
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Update 2019-01-24: CloudFormation now natively supports a update policy for replacments with the UpdateReplacePolicy.
Some operations in CloudFormation trigger a REPLACEMENT of resources which can have unintended and catastrophic consequences, e.g. an RDS instance being replaced (which means that the current database will be deleted by CloudFormation after a new one has been created).
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When developing CloudFormation templates, I regularly missed an idempotent one-liner command which does something like “create or update stack N with these parameters”, which provides a fast feedback loop.
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This article explores how to build low-maintenance Continuous Delivery pipelines for Terraform, by using AWS building blocks CloudFormation, CodePipeline and CodeBuild.
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This is a follow-up of my AWSAdvent article Serverless everything: One-button serverless deployment pipeline for a serverless app , which extends the example deployment pipeline with AWS CodeBuild.
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Over the past days I moved my blog over to AWS CloudFront and S3, powered by the static blog generator Hexo.
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I’ve been using CloudFormation YAML syntax for a while now with Ansible and the serverless framework which would convert the YAML to JSON before uploading the template. That already gave me the YAML advantages of e.g. code comments, not having to care about commas etc.
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My current experiment is to build a serverless deploy pipeline (With AWS CodePipeline) which uses AWS Lambda for the build steps. One step includes to invoke NPM to build a static website out of JavaScript components (which would be deployed to an S3 bucket in a later step).
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Over the last years my Pocket reading queue got longer and longer. It actually dated back to stuff from 2013. Over the time a realized I would never ever be able to keep up with it again.
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A rather simple, but effective and easy-to-setup service discovery (SD) mechanism with near-zero maintenance costs can be build by utilizing the AWS Private Hosted Zone (PHZ) feature. PHZs allows you to connect a Route53 Hosted Zone to a VPC, which in turn means that DNS records in that zone are only visible to attached VPCs.
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