update example

Dockerfile

@@ -4,7 +4,7 @@ ADD Gemfile /app/
 ADD Gemfile.lock /app/
 
 RUN apk --update add --virtual build-dependencies build-base ruby-dev openssl-dev libxml2-dev libxslt-dev \
-    postgresql-dev libc-dev linux-headers nodejs tzdata && \    
+    postgresql-dev libc-dev linux-headers nodejs tzdata && \
     gem install bundler && \
     cd /app ; bundle config build.nokogiri --use-system-libraries && bundle install --without development test
 

README.md

@@ -1,3 +1,28 @@
-## README
+# Rails on Kontena
+![](http://rubyonrails.org/images/rails-logo.svg)
 
-# 
+## Usage
+
+1. Setup Kontena: [Quick Start](http://kontena.io/docs/getting-started/quick-start)
+
+2. Write secrets to Kontena Vault
+
+  `$ kontena vault write POSTGRES_PASSWORD <password>`
+
+  `$ kontena vault write RAILS_SECRET_KEY_BASE <key_base>`
+
+  `$ kontena vault write RAILS_GITHUB_CLIENT_ID <client_id>`
+
+  `$ kontena vault write RAILS_GITHUB_CLIENT_SECRET <client_secret>`
+
+  `$ kontena vault write RAILS_GITHUB_TOKEN <access_token>`
+
+  `$ kontena vault write RAILS_POSTGRE_URL <postgres_url>`
+
+3. Deploy app
+
+  `$ kontena app deploy`
+
+## About Kontena
+
+Kontena is a new open source Docker platform including orchestration, service discovery, overlay networking and all the tools required to run your containerized workloads. Kontena is built to maximize developer happiness. It works on any cloud, it's easy to setup and super simple to use. [Give it a try]((http://kontena.io/docs/getting-started/quick-start))! If you like it, please star it on [GitHub](https://github.com/kontena/kontena) and follow us on [Twitter]()!

app/assets/javascripts/channels/channel.coffee

@@ -1,6 +1,5 @@
 App.cable.subscriptions.create "WebSocketChannel",
-  received: (data) ->
-    console.log(data)
+  received: (data) ->    
     if data.type == 'stargazers_count'
       $("#count").html(data.result)
     else if data.type == 'starring'

app/services/git_hub_service.rb

@@ -21,11 +21,11 @@ def stargazers_count
   end
 
   def star
-    @client.star('kontena/kontena-loadbalancer')
+    @client.star(ENV['GITHUB_REPO'])
   end
 
   def starred?
-    @client.starred?('kontena/kontena-loadbalancer')
+    @client.starred?(ENV['GITHUB_REPO'])
   end
 
 end

app/services/git_hub_streamer.rb

@@ -2,10 +2,9 @@ class GitHubStreamer
 
   def self.run
     github_service = GitHubService.new(:access_token => ENV['GITHUB_ACCESS_TOKEN'])
-    stargazers_count = github_service.stargazers_count rescue 0
-
+    stargazers_count = github_service.stargazers_count rescue 0    
     task = Concurrent::TimerTask.new(execution_interval: 10) do
-      new_count = github_service.stargazers_count rescue 0      
+      new_count = github_service.stargazers_count
       if new_count != stargazers_count
         ActionCable.server.broadcast "github", {type: 'stargazers_count', result: new_count}
         stargazers_count = new_count

config/cable.yml

@@ -1,7 +1,7 @@
 # Action Cable uses Redis by default to administer connections, channels, and sending/receiving messages over the WebSocket.
 production:
   adapter: redis
-  url: ENV['REDIS_URI']
+  url: <%= ENV['CABLE_REDIS_URL'] %>
 
 development:
   adapter: async

config/environments/production.rb

@@ -41,6 +41,7 @@
   # Action Cable endpoint configuration
   # config.action_cable.url = 'wss://example.com/cable'
   # config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
+  Rails.application.config.action_cable.disable_request_forgery_protection = true
 
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
   # config.force_ssl = true

kontena.yml

@@ -12,14 +12,14 @@ db:
   image: postgres:latest
   stateful: true
   secrets:
-    - secret: POSTGRES_PASSWORD
-      name: POSTGRES_PASSWORD
+    - secret: POSTGRE_PASSWORD
+      name: POSTGRE_PASSWORD
       type: env
 app:
   image: registry.kontena.local/docker_rails5:latest
   build: .
   secrets:
-    - secret: RAILS_POSTGRE_URL
+    - secret: RAILS_POSTGRES_URL
       name: DATABASE_URL
       type: env
     - secret: RAILS_SECRET_KEY_BASE
@@ -32,12 +32,14 @@ app:
       name: GITHUB_CLIENT_SECRET
       type: env
     - secret: RAILS_GITHUB_TOKEN
-      name: GITHUB_TOKEN
+      name: GITHUB_ACCESS_TOKEN
       type: env
   environment:
     - KONTENA_LB_INTERNAL_PORT=8080
     - KONTENA_LB_VIRTUAL_HOSTS=rails-on-docker.kontena.io
     - GITHUB_REPO=kontena/kontena
+    - CABLE_REDIS_URL=redis://%{project}-redis:6379/1
+    - REDIS_URL=redis://%{project}-redis:6379/2
   hooks:
     post_start:
       - name: db_setup
@@ -53,12 +55,15 @@ app:
 sidekiq:
   image: registry.kontena.local/docker_rails5:latest
   secrets:
-    - secret: RAILS_POSTGRE_URL
+    - secret: RAILS_POSTGRES_URL
       name: DATABASE_URL
       type: env
     - secret: RAILS_SECRET_KEY_BASE
       name: SECRET_KEY_BASE
       type: env
   environment:
     - REDIS_URL=redis://%{project}-redis:6379/2
+    - GITHUB_REPO=kontena/kontena
+  volumes_from:
+    - %{project}-app-%%s
   command: bundle exec sidekiq