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.

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

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.

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

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?

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

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

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

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

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