diff --git a/.github/workflows/gem_deploy_ouroborus.yml b/.github/workflows/gem_deploy_ouroborus.yml
new file mode 100644
index 0000000..9e48044
--- /dev/null
+++ b/.github/workflows/gem_deploy_ouroborus.yml
@@ -0,0 +1,32 @@
+name: Publish Ouroborus Gem
+
+on:
+  push:
+    tags:
+      - 'ouroborus*'
+
+jobs:
+  publish-gem:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.0 
+
+      - name: Publish Ouroborus Gem to GitHub Registry
+        run: |
+          mkdir -p ~/.gem
+          echo ":github: Bearer ${{ secrets.GITHUB_TOKEN }}" > ~/.gem/credentials
+          chmod 0600 ~/.gem/credentials
+          cd ouroborus
+          gem build ouroborus.gemspec
+          gem push --key github --host https://rubygems.pkg.github.com/${{ github.actor }} ouroborus-*.gem
\ No newline at end of file
diff --git a/ouroborus/lib/ouroborus/container.rb b/ouroborus/lib/ouroborus/container.rb
index ca9c6fc..96fcc62 100644
--- a/ouroborus/lib/ouroborus/container.rb
+++ b/ouroborus/lib/ouroborus/container.rb
@@ -28,6 +28,7 @@ def initialize(name:, image:, tag: 'latest')
       @dockerArgs = Args.new
       @args = Args.new
       @daemon = true
+      @add_host = ''
     end
 
     def daemon?
@@ -42,6 +43,19 @@ def daemon=(value)
       end
     end
 
+
+    def add_host?
+      !@add_host.empty?
+    end
+
+    def add_host=(value)
+      @add_host = value.to_s
+    end 
+
+    def teste
+      puts "teste >> exec branch jp"
+    end
+
     def imgTag
       "#{@image}:#{@tag}"
     end
@@ -58,6 +72,9 @@ def as_args
       else
         replaceable << "-i"
       end
+      if add_host?
+        replaceable << "--add-host=#{@add_host}"
+      end
       replaceable << @dockerArgs << "--name" << @name << imgTag << @args
     end
 
@@ -142,7 +159,7 @@ def normalizeEnvValue(name, value = nil)
 
     def runCommand(cmd, &block)
       if block_given? then
-       yield cmd
+       yield cmd, :out
       else
         cmd
       end
diff --git a/ouroborus/lib/ouroborus/executor.rb b/ouroborus/lib/ouroborus/executor.rb
index b9120dc..d7bf988 100644
--- a/ouroborus/lib/ouroborus/executor.rb
+++ b/ouroborus/lib/ouroborus/executor.rb
@@ -2,50 +2,64 @@
 
 module Ouroborus
   class Executor
-    def exec(cmd)
+    def exec(cmd, wrDepot = :out)
       puts cmd
       true
     end
 
     def willExec
-      return Proc.new { |cmd|
-        exec cmd
+      return Proc.new { |cmd, wrDepot|
+        exec cmd, wrDepot
       }
     end
 
     def wait
       false
     end
+
+    def execWait(cmd, wrDepot = :out)
+      exec cmd, wrDepot
+      wait
+    end
   end
 
   class ShellExecutor < Executor
     def initialize(input = nil)
       @input = input
+      @wrDepotMap = {}
     end
 
     def <<(str)
       @wr.write str
     end
     
-    def exec(cmd)
+    def exec(cmd, wrDepot = :out)
+      @retValue = nil
+      #wrDepot = wrDepot
+      p wrDepot
       if @input.is_a? IO
-        @pid = spawn("#{cmd}", :in => @input)
+        @pid = spawn("#{cmd}", :in => @input, :out => wrDepot)
       else
         rd, wr = IO.pipe
-        @pid = spawn("#{cmd}", :in => rd)
+        @pid = spawn("#{cmd}", :in => rd, :out => wrDepot)
         if @input.nil?
           @wr = wr
         else
           wr.write(@input)
         end
       end
+      @wrDepotMap[@pid] = wrDepot unless wrDepot == :out
+
       return @pid
     end
 
     def wait
-      unless @retValue.nil?
+      if @retValue.nil?
         Process.wait @pid
-        @retValue = $?.exitStatus
+        outWrDepot = @wrDepotMap.delete @pid
+        outWrDepot.close unless outWrDepot.nil?
+        @pid = nil
+        @retValue = $?.exitstatus
       end
       @retValue == 0
     end
diff --git a/ouroborus/lib/ouroborus/version.rb b/ouroborus/lib/ouroborus/version.rb
index 08f964c..679a752 100644
--- a/ouroborus/lib/ouroborus/version.rb
+++ b/ouroborus/lib/ouroborus/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Ouroborus
-  VERSION = "0.0.1"
+  VERSION = "0.0.3"
 end