x-yuri x-yuri - 1 year ago 109
Ruby Question

How to install additional gems with bundler in production environment?

I have a staging server. And I've got some issue I'd like to investigate right there. But I forgot to add

. I can surely add it locally, run
, commit to repository, deploy. But isn't there an easier way?

When I try to change
remotely and run
I get:

You are trying to install in deployment mode after changing
your Gemfile. Run `bundle install` elsewhere and add the
updated Gemfile.lock to version control.

If this is a development machine, remove the /home/gccs/website-backend/releases/20161018143057/Gemfile freeze
by running `bundle install --no-deployment`.

You have added to the Gemfile:
* byebug

Gems are installed with
, basically, like so:

bundle install --path /home/user/app/shared/bundle --without development test --deployment --quiet

Answer Source

Edit .bundle/config changing BUNDLE_FROZEN: '1' to '0' (or removing it) is enough in order to be allowed by Bundler to manage gems in a deployment environment. Then you can edit the Gemfile, run bundle, restart your application and the custom gems are ready to be used.

If you intend to use them outside of the application runtime (f.e. if you need pry in rails console) restarting the server is not needed.

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