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How
a Gem
Works!
Who am I?
Patrick Müller
@patrickemuller
Github: mpatrick
2 years > experience
www.codeland.com.br
What
is a
Gem?
What
is each
file and
folder?
Gemfile

Rakefile
Lib folder
.gem file
.gemspec file
spec folder
fixtures folder
Gemspec
What can I
have inside
my Gem?
Models

Views

Controllers
Extensions
Scripts

Tests
Can I
test It?
YOU SHOULD DO IT!!!
Integration
Tests...
Extensions
MySQL
jRuby
Nokogiri
PostgreSQL
May I use
this only
remotely?
But how
can I
publish
it?
Private
Gems
Help Kit
https://github.com/radar/guides/blob/
master/gem-development.md
!
!
!

http://rubylearning.com/blog/2010/12/14/
ruby-gems-—-what-why-and-how/
Thank You!

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Notas del editor

  1. Na sua forma mais básica, uma gem é uma aplicação ruby ou uma biblioteca empacotada, e ela tem um nome e uma versão.
  2. Rakefile armazena todas as tasks, como por exemplo “build" da gem, ou então automatização de testes .gem file é um arquivo binário
  3. explicar s diferença de colocar dependência de gem dentro do Gemfile e como add_dependency no .gemspec
  4. Vários Gemfiles especificando cada versão de Ruby ou até mesmo de Rails Travis Semaphore Droid.io Arquivo de configuração YAML
  5. Montar o .gem com o comando “gem build” Depois eu subo ela para o RubyGems com o comando “gem push” Finalizando isso eu subo para o github (ou qualquer outro)
  6. Citar como exemplo o gemfury