Rails
List current ruby version:
rbenv versionsSet local/directory version of ruby:
rbenv local <VERSION>After installing a gem that adds new binaries (new commands):
rbenv rehashUpdating gem system:
gem update --system --no-documentInstall gems from current bundle:
bundle install or: bundle install --without productionRun an executable that comes with a gem in your bundle:
bundle exec <GEM COMMAND>Update one gem:
bundle update --conservative <GEM NAME>Create a new Rails project:
rails new <APP NAME>Create Rails database:
rake db:createUpdate Rails database:
rake db:migrateor:rake db:migrate RAILS_ENV=productionRun Rails server:
rails serverRails console:
rails console --sandboxRails console bypass model validation:
XXXXXX.update(admin: true) XXXXXX.save(:validate => false)Deploy:
bundle exec cap TASKHERE deployCreate app:
heroku createPush app:
git push heroku masterAuth Heroku:
heroku auth:loginOpen app:
heroku openRun console:
heroku run rails consoleMigrate database:
heroku run rake db:migrateIf you want to run sqlite locally and pg on heroku, your gemfile needs to look like this:
group :development do
gem 'sqlite3'
end
group :production do
gem 'pg'
end
You may need to add the Ruby version to your gemfile as well:
ruby '1.9.3'To get your assets to properly compile on heroku, change your production.rb file to say true here instead of false:
config.assets.compile = trueDeploy with branch name other than master or main:
git push heroku my-branch:mainPush app:
git push dokku masterIn your production group, you'll likely want these two gems:
gem 'pg' # postgres
gem 'rails_12factor' # for logging
SSH into server to run dokku commands. Use
dokku --help for list of commands.Last modified 10mo ago