Using Bundler’s advanced features
Fix vulnerable gems
$ gem install bundler-audit
$ bundle audit --update[For each gem listed by the audit]
$ bundle update --conservative --patch <gem-name>
Update non-production gems
$ bundle update --conservative --group test developmentUpdate production gems
$ bundle update --patch --strict
$ bundle update --minor --strict
$ bundle update --majorList constrained gems
$ bundle outdated --groupsWhy?
For a detailed version I recommend reading A Guide to Update Gems with bundle update.
Tips and tricks to master bundle update by following incremental, controlled and safe steps
tl;dr— Synopsis: Updating Gems cheat sheet.
Have you ever been part of a massive Rails app upgrade, with tons of gems not being updated for years?
Was that closer to a joyful experience or a nightmare?
Have you ever felt that you — or the team — could do better at keeping up-to-date with Gemfile‘s gem updates? Was that in part because of an unexisting process around it?
If some of this rings true to you, I think you’ll find what follows helpful.
Step 1 — Fix security vulnerabilities
Before doing any bulk updating of gems, focus on fixing any security vulnerability — if present — in any of your app’s included gems. …
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