Error during bundle install: “The –deployment flag requires a Gemfile.lock. Please make sure you have checked your Gemfile.lock into version control before deploying.” Solution: Remove BUNDLE_FROZEN: “true” from .bundle/config file and run bundle again. (remove the line from ~/.bundle/config)
Bundle install gets killed
It’s because you are running out of memory. Try adding more swap: www.digitalocean.com/community/articles/how-to-add-swap-on-ubuntu-12-04. Or bump up to a bigger droplet. Ref: www.digitalocean.com/community/questions/bundle-install-gets-killed