tweaking things a bit to add a basic batch worker using sidekiq

Dockerfile

@@ -9,4 +9,4 @@ ADD . /var/app
 
 RUN cd /var/app; bundle install
 
-CMD ["/usr/local/bin/foreman","run", "web","-d","/var/app"]
+CMD ["./var/app/bin/http"]

Gemfile

@@ -2,3 +2,4 @@ source 'https://rubygems.org'
 gem 'sinatra'
 gem 'haml'
 gem 'puma'
+gem 'sidekiq'

Gemfile.lock

@@ -1,34 +1,26 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    celluloid (0.16.0)
+    concurrent-ruby (1.0.5)
-      timers (~> 4.0.0)
+    connection_pool (2.2.1)
-    connection_pool (2.1.2)
     haml (4.0.5)
       tilt
-    hitimes (1.2.2)
-    json (1.8.2)
     puma (2.11.1)
       rack (>= 1.1, < 2.0)
     rack (1.5.2)
     rack-protection (1.5.2)
       rack
-    redis (3.2.1)
+    redis (4.0.1)
-    redis-namespace (1.5.1)
+    sidekiq (5.0.5)
-      redis (~> 3.0, >= 3.0.4)
+      concurrent-ruby (~> 1.0)
-    sidekiq (3.3.2)
+      connection_pool (~> 2.2, >= 2.2.0)
-      celluloid (>= 0.16.0)
+      rack-protection (>= 1.5.0)
-      connection_pool (>= 2.1.1)
+      redis (>= 3.3.4, < 5)
-      json
-      redis (>= 3.0.6)
-      redis-namespace (>= 1.3.1)
     sinatra (1.4.4)
       rack (~> 1.4)
       rack-protection (~> 1.4)
       tilt (~> 1.3, >= 1.3.4)
     tilt (1.4.1)
-    timers (4.0.1)
-      hitimes
 
 PLATFORMS
   ruby
@@ -36,6 +28,8 @@ PLATFORMS
 DEPENDENCIES
   haml
   puma
-  redis
   sidekiq
   sinatra
+
+BUNDLED WITH
+   1.16.0

bin/batch

@@ -0,0 +1,6 @@
+#!/bin/sh
+CONCURRENCY_LEVEL=${CONCURRENCY:-1}
+
+echo "Concurrency set to : ${CONCURRENCY_LEVEL}"
+echo ""
+bundle exec sidekiq -r ./worker.rb -c $CONCURRENCY_LEVEL

bin/http

@@ -0,0 +1,3 @@
+#!/bin/sh
+echo "the port is : ${PORT}"
+bundle exec puma -t 5:5 -p ${PORT:-8080} -e ${RACK_ENV:-development}

hello.rb

@@ -1,12 +1,26 @@
 require 'sinatra'
+require 'sidekiq'
+require 'redis'
+require 'sidekiq/api'
 require 'haml'
 
+$redis = Redis.new
+
 class SimpleApp < Sinatra::Base
 
   get '/' do
+    SinatraWorker.perform_async(msg="beanstalk was pulled")
     haml "%h3 Hello THE BEANSTALK AWESOME World!"
   end
 
+  get '/stats' do
+    stats = Sidekiq::Stats.new
+    @failed = stats.failed
+    @processed = stats.processed
+    @messages = $redis.lrange('sinkiq-example-messages', 0, -1)
+    erb :index
+  end
+
   get '/mu-c9478619-b3ea1fef-e218a7ee-09081759' do
     '42'
   end

views/index.erb

@@ -0,0 +1,15 @@
+<h1>Sinatra + Sidekiq Example</h1>
+<h2>Failed: <%= @failed %></h2>
+<h2>Processed: <%= @processed %></h2>
+
+<form method="post" action="/msg">
+<input type="text" name="msg">
+<input type="submit" value="Add Message">
+</form>
+
+<a href="/">Refresh page</a>
+
+<h3>Messages</h3>
+<% @messages.each do |msg| %>
+<p><%= msg %></p>
+<% end %>

worker.rb

@@ -0,0 +1,15 @@
+require 'sinatra'
+require 'sidekiq'
+require 'redis'
+require 'sidekiq/api'
+
+$redis = Redis.new
+
+class SinatraWorker
+  include Sidekiq::Worker
+
+  def perform(msg="lulz you forgot a msg!")
+    sleep 2 + rand(10)
+    $redis.lpush("sinkiq-example-messages", msg)
+  end
+end