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How cool would it be if you could update your rails log levels instantaneously for a specific controller or method? It would be very very cool.

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In this video we add FeatureFlags to a Ruby on Rails website in less than 6 minutes using the prefab-cloud-ruby gem

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Getting gRPC to terminate SSL means a bunch of learning about new things. Here's a guide to getting SSL certs shared to containers in ECS by attaching an AWS EFS volume.

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Running gRPC in AWS (specifically on ECS) is totally doable. Here are the gotchas.

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We made a big bet on gRPC and it has paid off. Why did we do that? And is it the right solution for you?

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3 criteria for how to choose a cache key and a nice trick about adding a dynamic postfix to ease invalidation.

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How can you cheaply store log data in S3, but still query it? Using AWS Athena and Kinesis Firehose, we're doing just that.

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Getting Cron-like tasks to run on Amazon ECS using DataPipeline.

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Mixpanel is expensive. RateLim.it can save you money.

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Review/Comparison of the 4 main alternatives for building a feature flag system. Split.IO, LaunchDarkly, Prefab.cloud and building it yourself.

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