heroku/heroku-buildpack-ruby

Heroku's classic buildpack for Ruby apps

Stars: 785
Forks: 1.8k
Open beginner issues: 0
Indexed issues: 33
Avg merge: 1d 9h
Merged PRs (30d): 8

Dominant language: Ruby
License: MIT
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 17, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Open All

33 open issues indexed

Save/restore yarn cache Open

heroku/heroku-buildpack-ruby#654 · 24 comments · 15 reactions · 0 assignees · Indexed Sep 17, 2026
Cannot build `sqlite3` gem with apt buildpack Open

heroku/heroku-buildpack-ruby#834 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
All Ruby versions show version x.x.0 in the path instead of actual patch number which makes it seem like the wrong version is being used Open

heroku/heroku-buildpack-ruby#857 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Set memory default for Node builds Open

heroku/heroku-buildpack-ruby#859 · 0 comments · 7 reactions · 0 assignees · Indexed Sep 17, 2026
Find a way to generate schema cache: `db/schema_cache.yml` Open

heroku/heroku-buildpack-ruby#862 · 23 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Build failure when pushing a Rails 4 App without Sprockets Open

heroku/heroku-buildpack-ruby#866 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
RAILS_ENV should not be set when using ps:exec Open

heroku/heroku-buildpack-ruby#871 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Vendor in Metrics buildpack When `barnes` gem is detected Open

heroku/heroku-buildpack-ruby#903 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Consider adding a warning when PORT environment variable is missing at runtime Open

heroku/heroku-buildpack-ruby#938 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Tell Rubocop to ignore Heroku generated files by injecting into the Rubocop config file Open

heroku/heroku-buildpack-ruby#955 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Jekyll support Open

heroku/heroku-buildpack-ruby#970 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Bootsnap cache incorrect or not being used? Open

heroku/heroku-buildpack-ruby#979 · 26 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Support test output in TAP format Open

heroku/heroku-buildpack-ruby#1000 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Bundler cache (including compact index) is written to /app and into the slug Open

heroku/heroku-buildpack-ruby#1117 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Rails smoke test during release phase? Open

heroku/heroku-buildpack-ruby#1120 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
The "Ruby version does not exist for this stack" warning doesn't explain sticky versions Open

heroku/heroku-buildpack-ruby#1141 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Heroku CI: Support building rails 6 with multiple databases on multiple nodes Open

heroku/heroku-buildpack-ruby#1209 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Reconsider the approach to Bundler? (Stop removing `BUNDLED WITH` from lockfile) Open

heroku/heroku-buildpack-ruby#1300 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Allow custom database.yml without activerecord Open

heroku/heroku-buildpack-ruby#1325 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
Heroku doesn't support differentiated Gemfiles Open

heroku/heroku-buildpack-ruby#1348 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Only add default web dyno if `config.ru` exists Open

heroku/heroku-buildpack-ruby#1355 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Having `rack` gem is not a guarantee for having `rackup` executable (since Rack 3) Open

heroku/heroku-buildpack-ruby#1356 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
JRuby warns to use a more recent version, but it's blank Open

heroku/heroku-buildpack-ruby#1370 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Possible Bundler 2.5.6 Issues Open

heroku/heroku-buildpack-ruby#1432 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
ruby required for compiling webpack assets in rails build, missing from nodejs buildpack and stack 22 Open

heroku/heroku-buildpack-ruby#1433 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Rails builds fail if `BUNDLE_WITHOUT="'development:test'"` (note the extra quotes) Open

heroku/heroku-buildpack-ruby#1443 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Upstream bundler change removes credentials from Gemfile.lock, breaking Heroku build process Open

heroku/heroku-buildpack-ruby#1460 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Remove unused logging code Open

heroku/heroku-buildpack-ruby#1470 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
cp: non-portable warning Open

heroku/heroku-buildpack-ruby#1485 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Feature Request: Support for Jemalloc w/o Separate Build Pack Open

heroku/heroku-buildpack-ruby#1487 · 2 comments · 4 reactions · 0 assignees · Indexed Sep 17, 2026
Alternative compression formats for downloads Open

heroku/heroku-buildpack-ruby#1500 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Investigate MAKEFLAGS for faster dependency installs Open

heroku/heroku-buildpack-ruby#1513 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Heroku CI doesn't effectively test migrations Open

heroku/heroku-buildpack-ruby#1710 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026

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