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Editorial Team
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Asked: 2026-05-31T23:30:06+00:00

I am trying to create a chat application on heroku using the following https://github.com/tarnfeld/PusherChat-Rails

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I am trying to create a chat application on heroku using

the following
https://github.com/tarnfeld/PusherChat-Rails

I have cloned it to my local

when i perform git push heroku master i get the following

Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/usr/local/bin/ruby extconf.rb
checking for sqlite3.h… no
sqlite3.h is missing. Try ‘port install sqlite3 +universal’
or ‘yum install sqlite3-devel’ and check your shared library search path (the
location where your sqlite3 shared library is located).
* extconf.rb failed *

Any ideas? or has anyone installed this on heroku?

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1 Answer

  1. Editorial Team

    I imagine what is happening is that you haven’t replaced your SQLite3 gem with PostreSQL in the Gemfile. As mentioned in this section of Heroku’s getting started guide, you’ll want to swap out your SQLite3 gem with PostreSQL like so:

    gem "sqlite3"

    Will get replaced with:

    gem "pg"

    Additionally you can add environment scopes to your Gemfile so you can continue to work with SQLite3 on development…

    group :development do
  gem 'sqlite3'
end

group :production do
  gem 'pg'
end'

    … though Heroku does not recommend it.

    Getting Started with Rails 3.0 on Heroku/Cedar

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