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Why we ditched Amazon AWS
Ever since we started TestingBot (almost 2 years ago!) we've been running TestingBot on Amazon AWS (EC2 + S3 + other services). These last few mon...
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Nginx image processing server with OpenResty and Lua
Today I'll be showing you how to create a fast on the fly image processing server. The whole system can be created in less than 100 lines of code. We'll be using OpenResty , an enhanced distribution of Nginx. We'll also need to write a...
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My RabbitMQ setup for notifications
I recently decided to try out RabbitMQ (the popular messaging queue) to fix the problem of notifications.
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PostgreSQL needs a new load balancer
We do a lot of high-availablity PostgreSQL deployments for clients. As of 9.1, streaming replication (SR) is excellent for this, and can sc...
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Webhooks Are Magic
Around the Iron.io office, I’m known as a bit of a webhook enthusiast. When asked what my favourite features of the Iron.io platform are, our webhook
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Load Balancing without Load Balancers
CloudFlare had an hour-long outage this last weekend. Thankfully, outages like this have been a relatively rare occurrance for our service.
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