← Ruby on Rails development

Deployment Issues on Heroku

Pain pointTrend: NewConfidence: LowFirst seen 7/29/2026 · last seen 7/29/2026

Opportunity score

28

Mentions

3

Communities

1

Growth since last check

new

What's happening

Multiple developers are experiencing issues with deploying Ruby on Rails applications on Heroku, particularly with errors that arise after deployment, such as application crashes and bundle install failures. These problems often lead to significant downtime and frustration for developers trying to get their applications running in production.

Why this score: The recurring nature of deployment issues indicates a significant pain point for developers, especially with Heroku's specific environment.

Who's affected

Ruby on Rails developersStartups using Heroku for deploymentFreelancers managing Rails projects

What people try to do

  • Trying to fix application errors on Heroku for hours
  • Running bundle install and encountering errors

Why current solutions fail

  • Heroku application crashes despite running fine locally
  • Errors during bundle install after upgrading Ruby

What to build

  • Create a troubleshooting guide for common Heroku deployment errors
  • Develop a tool to automate Heroku deployment checks
  • Offer a service to optimize Rails apps for Heroku deployment

Evidence

Heroku ruby buildpack breaks on second deployment push

“<p>I've upgraded Ruby from Ruby 3.1.7 to Ruby 3.2.8; after that, I've encountered a situation where my ruby bundle works for the first deployment on Heroku-deployed servers, but all subsequent deployments failed at the step of bundle install. This is replicable on 2 servers that I've tried it on. Cl”

stackexchange · G987 · 3/3/2026

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How to fix a heroku H10/Application error on a ruby on rails application which is crashing?

“<p>I have been trying to fix application errors on heroku (ruby on rails app) for the last 4 hours with no luck.</p> <p>P.S The application runs perfectly fine locally</p> <pre><code>2023-10-30T14:40:44.484063+00:00 heroku[web.1]: State changed from up to crashed 2023-10-30T14:40:44.378048+00:00 her”

stackexchange · jtlwell · 10/30/2023

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Ruby on Rails: Cap production deploy not working

“<p>I finished my app thats running with Ruby on Rails on my local machine. Now I want to finally deploy it fallowing a video from Youtube (<a href="https://www.youtube.com/watch?v=xpYpaRUFzTI&amp;t=888s" rel="nofollow noreferrer">https://www.youtube.com/watch?v=xpYpaRUFzTI&amp;t=888s</a>). When I ty”

stackexchange · Richard205 · 2/23/2022

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