Rails on AWS: Do you need nginx between Puma and ALB?
When I set up Rails on AWS, I usually use the following pattern: (CloudFront) → ALB → Puma I was wondering: Is it always necessary to put nginx between the ALB and Puma server?...
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A quick shortcut to open a Ruby gem in VS Code
While working on a Ruby project, I often find myself referring to the code of various libraries when it's easier than looking up the documentation. For this, I used to use code...
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How I use Git
I've been using Git at work for around 10 years now. I started using Git with a GUI ( Tower \-\- back when I was eligible for the student discount!), but now I use the CLI for e...
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"Logging in" to AWS ECS Fargate
I'm a big fan of AWS ECS Fargate. I've written in the past about managing ECS clusters, and with Fargate -- all of that work disappears and is managed by AWS instead. I like to...
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Hosting a Single Page Application with an API with CloudFront and S3
I've written about how to host a single page application (SPA) on AWS using CloudFront and S3 before, using the CloudFront "rewrite not found errors as a 200 response with index...
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Serverless WordPress on AWS Lambda
Update 2020/07/29: AWS recently announced EFS support for Lambda, which makes running WordPress in Lambda easier, with fewer limitations. Here's the new article about how to run...
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Managing ECS clusters, 4 years in.
Throughout these past 4 years since AWS ECS became generally available, I've had the opportunity to manage 4 major ECS cluster deployments. Across these deployments, I've built...
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"Truth in bots"
The bots should announce, “I’m not a person, or if I am, I’m not allowed to act like one.” Or, if there’s no room or time for that sentence, perhaps a simple bot at the top of t...
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AWS Application Auto-scaling for ECS with Terraform
Update : Target tracking scaling is now available for ECS services. I've been working on setting up autoscaling settings for ECS services recently, and here are a couple notes f...
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ECS ChatOps with CodePipeline and Slack
I'm currently working on migrating a Rails application to ECS at work. The current system uses a heavily customized Capistrano setup that's showing its signs, especially when de...
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2017: A year in review
A few years ago when I was doing client work, we would regularly host clients' sites and apps for them. During this time, I was responsible for both development and keeping them...
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Shipping Events from Fluentd to Elasticsearch
We use fluentd to process and route log events from our various applications. It's simple, safe, and flexible. With at-least-once delivery by default, log events are buffered at...
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IAM Policy for KMS-Encrypted Remote Terraform State in S3
Don't forget to update the KMS Key Policy, too. I spent a bit of time trying to figure out why it wasn't working, until CloudTrail helpfully told me that the kms:GenerateDataKey...
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Authenticating Linux logins via LDAP (Samba / Active Directory)
I've been working on infrastructure of a fleet of a few dozen Amazon EC2 instances for the past week, and with a rapidly-growing team, we decided it was appropriate to make a ce...
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Upgrading PostgreSQL on Ubuntu
I recently started using Ubuntu Linux on my main development machine. That means that my PostgreSQL database is running under Ubuntu, as well. I've written guides to upgrading P...
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macOS Sierra
Here are the headline features of Sierra, and my thoughts about them. Siri Don't use it on the phone, won't use it on the Mac. It would be nice if I could use it by typing, thou...
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Convox
I stumbled upon Convox a couple weeks ago, and found it pretty interesting. It's led by a few people formerly from Heroku, and it certainly feels like it. A simple command-line...
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A month with Linux on the Desktop
It's been a bit over a month since I installed Linux as my main desktop OS on a PC I built to replace OS X on a (cylinder) Mac Pro. I installed Ubuntu MATE 16.04. Here are my ge...
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Elixir anonymous function shorthand
Elixir's Getting Started guides go over the &Module.function/arity and &(...) anonymous function shorthand, but there are a couple neat tricks that are not immediately apparent...
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Elixir: A year (and a few months) in
In the beginning of 2015, I wrote a blog post about how my then-current programming language of choice (Ruby) was showing itself to not be as future-proof as I would have liked...