Containerizing

Author: Administrator

Dockerfile

@@ -0,0 +1,23 @@
+FROM stackbrew/ubuntu:saucy
+MAINTAINER Richard Kent Jordan <[email protected]>
+
+RUN echo "deb http://archive.ubuntu.com/ubuntu saucy main universe" > /etc/apt/sources.list
+RUN apt-get update
+RUN apt-get upgrade -y
+
+RUN apt-get install -y build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison subversion pkg-config libpq5 libpq-dev libcurl4-gnutls-dev python-software-properties libffi-dev libgdbm-dev nodejs ruby2.0 ruby2.0-dev
+RUN gem update --system
+RUN gem install bundler
+
+ADD . /app            
+         
+ENV RAILS_ENV production
+WORKDIR /app
+RUN bundle install --without development test
+RUN rake tmp:create
+RUN rake assets:precompile
+
+#Rails (Must set production.rb to serve static assets)
+EXPOSE 3000
+CMD foreman start
+

Gemfile

@@ -58,3 +58,5 @@ end
 
 #gem 'spine-rails'
 gem 'smt_rails'
+gem 'unicorn-rails'
+gem 'foreman'

Gemfile.lock

@@ -63,6 +63,7 @@ GEM
       rails (~> 3.0)
     daemons (1.1.9)
     diff-lcs (1.2.4)
+    dotenv (0.9.0)
     erubis (2.7.0)
     eventmachine (1.0.3)
     execjs (1.4.0)
@@ -75,6 +76,9 @@ GEM
     faye-websocket (0.4.7)
       eventmachine (>= 0.12.0)
     ffi (1.8.1)
+    foreman (0.63.0)
+      dotenv (>= 0.7)
+      thor (>= 0.13.6)
     formatador (0.2.4)
     gherkin (2.12.0)
       multi_json (~> 1.3)
@@ -112,6 +116,7 @@ GEM
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
     json (1.8.0)
+    kgio (2.8.1)
     libv8 (3.11.8.17)
     listen (1.1.2)
       rb-fsevent (>= 0.9.3)
@@ -169,6 +174,7 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
+    raindrops (0.12.0)
     rake (10.0.4)
     rb-fsevent (0.9.3)
     rb-inotify (0.9.0)
@@ -230,6 +236,13 @@ GEM
     uglifier (2.1.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
+    unicorn (4.7.0)
+      kgio (~> 2.6)
+      rack
+      raindrops (~> 0.7)
+    unicorn-rails (1.1.0)
+      rack
+      unicorn
     wirble (0.1.3)
     xpath (2.0.0)
       nokogiri (~> 1.3)
@@ -244,6 +257,7 @@ DEPENDENCIES
   coffee-rails (~> 3.2.1)
   cucumber-rails
   factory_girl_rails
+  foreman
   guard-jasmine
   guard-rspec
   guard-spork
@@ -264,4 +278,5 @@ DEPENDENCIES
   thin
   turn
   uglifier (>= 1.0.3)
+  unicorn-rails
   wirble

Procfile

@@ -0,0 +1 @@
+web: bundle exec unicorn -c config/unicorn.rb

config/unicorn.rb

@@ -0,0 +1,30 @@
+# config/unicorn.rb
+rails_env = ENV['RAILS_ENV'] || 'production'  
+rails_root  = `pwd`.gsub("\n", "")
+
+worker_processes Integer(ENV["WEB_CONCURRENCY"] || 3)
+timeout 15
+preload_app true
+listen      3000
+pid         "#{rails_root}/tmp/pids/unicorn.pid"
+#stderr_path "#{rails_root}/log/unicorn.log"
+#stdout_path "#{rails_root}/log/unicorn.log"
+
+before_fork do |server, worker|
+  Signal.trap 'TERM' do
+    puts 'Unicorn master intercepting TERM and sending myself QUIT instead'
+    Process.kill 'QUIT', Process.pid
+  end
+
+  defined?(ActiveRecord::Base) and
+      ActiveRecord::Base.connection.disconnect!
+end
+
+after_fork do |server, worker|
+  Signal.trap 'TERM' do
+    puts 'Unicorn worker intercepting TERM and doing nothing. Wait for master to send QUIT'
+  end
+
+  defined?(ActiveRecord::Base) and
+      ActiveRecord::Base.establish_connection
+end