Heroku Dynos: Sizes, Types, and How Many You Need

The ultimate guide to dynos on Heroku. If you’ve ever asked "how many dynos do I need?" or "which dyno type is right for my app?", this is the guide for you.

Understanding Queue Time: The Metric that Matters

Request queue time is a key metric for understanding web app performance and scaling. This post explains what it is, how it's calculated, and how you can use it to effectively optimize your app.

Heroku (Almost) Free: Understanding Eco Dyno Hours

This guide covers everything you need to know about using Heroku for (almost) free, including Eco dynos, the mini Postgres database plan, and free add-ons.

The Procfile Explained — Examples and Tips

At it simplest, the Procfile is where you declare the one or more processes to be run for your app to function. Heroku’s docs do a great job of explaining the Procfile format, so this post will focus on a bit more advanced usage.

Quick Tip: Fix ActiveRecordConnection Pool Errors For Good

Connection pool errors are a Rails configuration issue (not a database issue). Some simple configuration steps will fix these errors almost entirely.

Heroku Preboot Gotchas: Read This First

Are zero-downtime deploys worth the trade-offs? This post explores the real-world advantages and gotchas with Heroku Preboot.

Heroku Pipelines Success Guide

Learn how Heroku Pipelines will streamline your multi-environment (staging & production) deployment workflows.

Heroku Log Tail — Cut Through The Noise

Extract fields and perform aggregations on your Heroku logs. All in real-time, with beautiful, human-readable output.