rbenv `find_spec_for_exe': can't find gem bundler gem update --system gem install bundler -v 1.17.3 rbenv install 2.6 https://stackoverflow.com/a/54049241/1399891 #bundle (1) #rails (38) List Please enable JavaScript to view the comments powered by Disqus. $ rails credentials:help x1wins@changwoo.net $ rails credentials:...... #credentials:help (1) #rails (38) Add column and Index using ActiveRecord in Rails x1wins@changwoo.net $ rails generate mig...... #active_record (1) #alter (1) #add_column (1) #add_index (1) #rails (38) rails production deploy x1wins@changwoo.net RAILS_ENV=production...... #production (1) #deploy (3) #rake (4) #rails (38) docker-compose Rails and Postgresql x1wins@changwoo.net [What-is-PostgreSQL....... #docker-compose (9) #postgresql (5) #docker (30) #rails (38) asset path in controller x1wins@changwoo.net ActionController::Ba...... #ruby (13) #rails (38) Rails with Docker cheat sheet x1wins@changwoo.net rails new command wi...... #kubernetes (1) #docker (30) #rails (38) Bundler could not find compatible versions x1wins@changwoo.net August 18, 2019 Rail...... #rails (38) rails dockerfile x1wins@changwoo.net FROM ruby:2.6.1 RUN...... #dockerfile (3) #rails (38) migrate rollback x1wins@changwoo.net migrate, rollback r...... #docker-compose (9) #docker (30) #rake (4) #rails (38) rails new project with postgresql database and api only mode x1wins@changwoo.net $ rails new [PROJECT...... #rails (38)