Raj Kumar

Security -  rack-attack gem Brakeman gem Performance tools -   bullet rails_best_practice  rubycritic,  rubocop  rack-mini-profiler  spring, memory_profiler  Appsignal(paid) New Relic(paid)  Bullet gem(N+1 query)  rails_best_practice  rubycritic   rubocop brakeman  rack-mini-profiler  spring memory_prof

  Purpose gem Debugging Pry Email test Letter Opener Testing rspec simplecov(check test code coverage) Factory_bot rswag faker environment variables figaro/magic-multiconnection tracking visits ahoy Background job sidekiq Search elasticseacrh deployment capistrano-rails Database pg cache redis serialize json data active_model_serializers login devise scheduler(cron job) rufus-scheduler notify exception via email exception_notification push notification ruby-push-notifications Json Web Token (JWT)  for token based authentication RabbitMQ bunny Security https://github.com/Snorby/snorby puma_worker_killer spring magic_multi_connection allocation_stats puma_worker_killer hyper-rails memory_profiler