.gitignore

@@ -0,0 +1,5 @@
+app/__pycache__/
+*html*
+*.lock
+*.iml
+.raketasks

Dockerfile

@@ -4,4 +4,4 @@ RUN useradd -ms /bin/bash admin
 USER admin
 COPY app /app
 WORKDIR /app
-CMD ["python", "app.py"] 
+CMD ["python", "app.py"]

Gemfile

@@ -0,0 +1,9 @@
+source 'https://rubygems.org'
+
+gem 'serverspec', '~> 2.24'
+gem 'docker-api'
+gem 'rspec_html_formatter'
+gem 'activesupport', '4.2.6'
+gem 'dockerspec', '~> 0.5.0'
+gem 'rspec-core', '< 3.6'
+

Rakefile

@@ -0,0 +1,28 @@
+require 'rake'
+require 'rspec/core/rake_task'
+
+task :spec    => 'spec:all'
+task :default => :spec
+
+namespace :spec do
+  targets = []
+  Dir.glob('./spec/*').each do |dir|
+    next unless File.directory?(dir)
+    target = File.basename(dir)
+    target = "_#{target}" if target == "default"
+    targets << target
+  end
+
+  task :all     => targets
+  task :default => :all
+
+  targets.each do |target|
+    original_target = target == "_default" ? target[1..-1] : target
+    desc "Run serverspec tests to #{original_target}"
+    RSpec::Core::RakeTask.new(target.to_sym) do |t|
+      ENV['TARGET_HOST'] = original_target
+      t.pattern = "spec/#{original_target}/*_spec.rb"
+      t.rspec_opts ='--format RspecHtmlFormatter --format documentation --format html --out standard_report.html'
+    end
+  end
+end

circle.yml

@@ -0,0 +1,38 @@
+version: 2
+jobs:
+  test:
+    docker:
+      - image: circleci/python:3.5
+    steps:
+      - checkout
+      - run:
+          name: Install Docker Compose
+          command: |
+          set -x
+          curl -L https://github.com/docker/compose/releases/download/1.11.2/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
+          chmod +x /usr/local/bin/docker-compose
+#      - run:
+#          name: Run Rspec Tests
+#          command: bundle exec rspec
+      - run:
+          name: Run Docker Compose
+          command: docker-compose up -d
+      - run:
+          name: Run Application Tests
+          command: docker-compose run dockerapp python test.py
+workflows:
+  version: 2
+  test:
+    jobs:
+      - test
+
+#  deploy:
+#  hub:
+#    branch: /.*/
+#    commands:
+#      - docker login -e $DOCKER_HUB_EMAIL -u $DOCKER_HUB_USER_ID -p $DOCKER_HUB_PWD
+#      - docker tag dockerapp_dockerapp $DOCKER_HUB_USER_ID/dockerapp:$CIRCLE_SHA1
+#      - docker tag dockerapp_dockerapp $DOCKER_HUB_USER_ID/dockerapp:latest
+#      - docker push $DOCKER_HUB_USER_ID/dockerapp:$CIRCLE_SHA1
+#      - docker push $DOCKER_HUB_USER_ID/dockerapp:latest
+

docker-compose.yml

@@ -1,10 +1,12 @@
-version: "3.0"
+version: '2'
 services:
   dockerapp:
     build: .
     ports:
       - "5000:5000"
     depends_on:
       - redis
+    links:
+      - redis
   redis:
     image: redis:3.2.0

spec/dockerapp/docker_compose_spec.rb

@@ -0,0 +1,17 @@
+require 'dockerspec/serverspec'
+
+describe docker_compose('docker-compose.yml', wait: 10) do
+
+  its_container(:redis) do
+    describe port(6379) do
+      it { should be_listening('tcp') }
+    end
+  end
+
+  its_container(:dockerapp) do
+    describe package('Flask') do
+      it { should be_installed.by('pip').with_version('0.11.1') }
+    end
+  end
+
+end

spec/dockerapp/sample_spec.rb

@@ -0,0 +1,26 @@
+# require 'spec_helper'
+#
+# describe "Dockerfile" do
+#   before(:all) do
+#     @image = Docker::Image.build_from_dir('../dockerapp')
+#
+#     set :os, family: :redhat
+#     set :backend, :docker
+#     set :docker_image, @image.id
+#   end
+#
+#   # describe package('Flask') do
+#   #   it { should be_installed.by('pip').with_version('0.11.1')}
+#   # end
+#
+#   describe user('admin') do
+#     it { should exist}
+#     it { should have_home_directory '/home/admin'}
+#   end
+#
+#   describe file('/etc/hosts') do
+#     it { should be_file }
+#   end
+#
+# end
+

spec/spec_helper.rb

@@ -0,0 +1,35 @@
+require 'serverspec'
+require 'docker-api'
+require 'net/ssh'
+
+# set :backend, :ssh
+#
+# if ENV['ASK_SUDO_PASSWORD']
+#   begin
+#     require 'highline/import'
+#   rescue LoadError
+#     fail "highline is not available. Try installing it."
+#   end
+#   set :sudo_password, ask("Enter sudo password: ") { |q| q.echo = false }
+# else
+#   set :sudo_password, ENV['SUDO_PASSWORD']
+# end
+#
+# host = ENV['TARGET_HOST']
+#
+# options = Net::SSH::Config.for(host)
+#
+# options[:user] ||= Etc.getlogin
+#
+# set :host,        options[:host_name] || host
+# set :ssh_options, options
+
+# Disable sudo
+# set :disable_sudo, true
+
+
+# Set environment variables
+# set :env, :LANG => 'C', :LC_MESSAGES => 'C' 
+
+# Set PATH
+# set :path, '/sbin:/usr/local/sbin:$PATH'