aws_configure.sh

aws configure

create-key-pair.sh

aws ec2 create-key-pair --key-name=example_app-dev-keypair

database.yml

production:
  adapter: postgresql
  database: <%= ENV['DATABASE_NAME'] || 'example_app' %>
  host: <%= ENV['DATABASE_HOST'] || 'localhost' %>
  port: <%= ENV['DATABASE_PORT'] || 5432 %>
  username: <%= ENV['DATABASE_USERNAME'] || 'my_user' %>
  password: <%= ENV['DATABASE_PASSWORD'] %>
  min_messages: ERROR

deploy.sh

EB_DEPLOYER_ENV=dev rake eb:deploy

eb_deployer.rake

namespace :eb do
  def eb_deployer_env
    ENV["EB_DEPLOYER_ENV"] || "dev"
  end

  def eb_deployer_package
    git_sha = `git log -n1 | awk '/^commit/ {print $2; exit;}' | cut -c 1-10`.strip
    "tmp/pkg/example_app-#{git_sha}-#{ENV['VERSION_LABEL_SUFFIX']}.zip"
  end

  desc "Remove the package file we generated."
  task :clean do
    sh "rm -rf tmp/pkg"
  end

  desc "Build package for eb_deployer to deploy to a Ruby environment in tmp/pkg directory."
  task :package => [:clean, :environment] do
    sh "mkdir -p tmp/pkg"
    to_exclude = %w(tmp .git coverage .idea .DS_Store).map { |file| "--exclude='*#{file}*'" }.join(' ')
    sh "bundle exec rake assets:precompile"
    sh "zip -9 -r #{to_exclude} '#{eb_deployer_package}'  ."
  end

  desc "Deploy package we built in tmp directory. default to dev environment, specify environment variable EB_DEPLOYER_ENV to override, for example: EB_DEPLOYER_ENV=production rake eb:deploy."
  task :deploy => [:package] do
    sh "eb_deploy --package '#{eb_deployer_package}' --environment #{eb_deployer_env}"
  end

  desc "Destroy Elastic Beanstalk environments. It won't destroy resources defined in eb_deployer.yml. Default to dev environment, specify EB_DEPLOYER_ENV to override."
  task :destroy do
    sh "eb_deploy --destroy --environment #{eb_deployer_env}"
  end
end

eb_deployer.yml

application: example_app

common:
  solution_stack_name: 64bit Amazon Linux 2015.03 v1.3.1 running Ruby 2.1 (Passenger Standalone)

  smoke_test: |
    curl_http_code = "curl -s -o /dev/null -w \"%{http_code}\" http://#{host_name}"
    Timeout.timeout(600) do
      until ['200', '301', '302'].include?(`#{curl_http_code}`.strip)
        sleep 5
      end
    end

  option_settings:
    - namespace: aws:autoscaling:launchconfiguration
      option_name: InstanceType
      value: m1.small
    - namespace: aws:elasticbeanstalk:application:environment
      option_name: DATABASE_NAME
      value: example_app
    - namespace: aws:elasticbeanstalk:application:environment
      option_name: DATABASE_USERNAME
      value: example_app
    - namespace: aws:elasticbeanstalk:application:environment
      option_name: DATABASE_PASSWORD
      value: PleaseChangeMe

  resources:
    template: config/rds.json
    inputs:
      DBName: example_app
      DBUser: example_app
      DBPassword: PleaseChangeMe
    outputs:
      RDSPassSecurityGroup:
        namespace: aws:autoscaling:launchconfiguration
        option_name: SecurityGroups
      RDSHost:
        namespace: aws:elasticbeanstalk:application:environment
        option_name: DATABASE_HOST
      RDSPort:
        namespace: aws:elasticbeanstalk:application:environment
        option_name: DATABASE_PORT

environments:
  dev:
    strategy: inplace-update
  production:
    option_settings:
      - namespace: aws:elasticbeanstalk:application:environment
        option_name: SECRET_KEY_BASE
        value: 52f6fb66e2e8306dff7e5a0964f46df25239e377ceab35ba29966c1292862a1e00ca2e09333527b10427902fe287

environment-keypair.yaml

environments:
  dev:
    option_settings:
      - namespace: aws:autoscaling:launchconfiguration
        option_name: EC2KeyName
        value: example_app-dev-keypair

environment-variable.yaml

environments:
  staging:
    option_settings:
      - namespace: aws:elasticbeanstalk:application:environment
        option_name: S3_BUCKET
        value: example_app-dev.assets

environment-variables.yaml

- namespace: aws:elasticbeanstalk:application:environment
  option_name: RACK_ENV
  value: production

- namespace: aws:elasticbeanstalk:application:environment
  option_name: RAILS_ENV
  value: production

Gemfile.rb

gem 'eb_deployer'

install.sh

bundle install
rails generate eb_deployer:install

ls.sh

.ebextensions/01_postgres_packages.config # Packages needed to install the `pg` postgres gem. 
config/eb_deployer.yml # It configures eb_deployer options as well as Elastic Beanstalk.
config/rds.json # The CloudFormation stack configuration with a Postgres RDS instance.
lib/tasks/eb_deployer.rake # Deployment tasks for you to customize.

option-settings-allow-connection.yaml

  option_settings:
    - namespace: aws:autoscaling:launchconfiguration
      option_name: SSHSourceRestriction
      value: tcp, 22, 22, 0.0.0.0/0

precompile-assets.yaml

- namespace: aws:elasticbeanstalk:application:environment
  option_name: RAILS_SKIP_ASSET_COMPILATION
  value: "true"

strategy-blue-green.yaml

strategy: blue-green

strategy-inplace.yaml

strategy: inplace

timeout.yaml

- namespace: aws:elasticbeanstalk:command
  option_name: Timeout
  value: "900"

version_label.yaml

version_label: example_app-<%= `git log -n1 | awk '/^commit/ {print $2; exit;}' | cut -c 1-10`.strip %>-<%= ENV['VERSION_LABEL_SUFFIX'] %>