Sync S3 bucket to multiple S3 buckets in different region

Cross-Region Replication for Amazon S3 was introduced last year which enables replicating objects from a S3 bucket to a different S3 bucket located in different region (it can be same/different AWS account). It’s one of the most sought after feature for long time but it doesn’t solve some of the scenarios as defined below. Synchronizing […]
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Automated Blue/Green deployment using Lambda and CloudFormation

Blue/Green deployment is a well-known method to deploy an application without any downtime. Performing DNS switch is one of the very common techniques to achieve this. Using DNS switch has a minor issue with DNS caching which might take some time for DNS change to be propagated. Apart from DNS switch, AWS gives us two […]
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