Remove memcached dependency

Gemfile

@@ -3,9 +3,6 @@ ruby '2.4.0'
 
 gem 'rails', '5.0.1'
 gem 'bootstrap-sass'
-gem 'dalli'
-gem 'faraday-http-cache'
-gem 'faraday_middleware'
 gem 'jquery-rails'
 gem 'kaminari'
 gem 'local_time', git: 'https://github.com/twalpole/local_time', branch: 'turbolinks5'

Gemfile.lock

@@ -69,7 +69,6 @@ GEM
     concurrent-ruby (1.0.4)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    dalli (2.7.6)
     debug_inspector (0.0.2)
     docile (1.1.5)
     dotenv (2.1.1)
@@ -84,10 +83,6 @@ GEM
       activesupport (>= 3.0.0)
     faraday (0.10.1)
       multipart-post (>= 1.2, < 3)
-    faraday-http-cache (2.0.0)
-      faraday (~> 0.8)
-    faraday_middleware (0.10.1)
-      faraday (>= 0.7.4, < 1.0)
     ffi (1.9.14)
     globalid (0.3.7)
       activesupport (>= 4.1.0)
@@ -260,11 +255,8 @@ DEPENDENCIES
   bugsnag
   byebug
   codeclimate-test-reporter
-  dalli
   dotenv-rails
   factory_girl
-  faraday-http-cache
-  faraday_middleware
   jquery-rails
   kaminari
   listen (~> 3.0.5)

app.json

@@ -21,7 +21,6 @@
   },
   "addons": [
     "heroku-postgresql",
-    "memcachedcloud",
     "scheduler"
   ]
 }

config/environments/production.rb

@@ -49,25 +49,6 @@ Rails.application.configure do
   # Prepend all log lines with the following tags.
   config.log_tags = [ :request_id ]
 
-  # Use a different cache store in production.
-  memcachedcloud_servers = ENV.fetch('MEMCACHEDCLOUD_SERVERS', '').split(',')
-  if memcachedcloud_servers.any?
-
-    dalli_store_name_and_password = {
-      username: ENV['MEMCACHEDCLOUD_USERNAME'],
-      password: ENV['MEMCACHEDCLOUD_PASSWORD']
-    }
-
-    dalli_store_config = {
-      namespace:  'OCTOBOX',
-      expires_in: (ENV['REQUEST_CACHE_TIMEOUT'] || 30).to_i.minutes
-    }
-
-    config.cache_store = :dalli_store,
-                         memcachedcloud_servers,
-                         dalli_store_name_and_password.merge(dalli_store_config)
-  end
-
   # Use a real queuing backend for Active Job (and separate queues per environment)
   # config.active_job.queue_adapter     = :resque
   # config.active_job.queue_name_prefix = "octobox_#{Rails.env}"

config/initializers/octokit.rb

@@ -1,16 +1,4 @@
 # frozen_string_literal: true
-require 'typhoeus/adapters/faraday'
-
-Octokit.middleware = Faraday::RackBuilder.new do |builder|
-  builder.use :http_cache, store: Rails.cache, logger: Rails.logger, shared_cache: false, serializer: Marshal
-  builder.use Octokit::Middleware::FollowRedirects
-  builder.use Octokit::Response::RaiseError
-  builder.use Octokit::Response::FeedParser
-  builder.use FaradayMiddleware::Gzip
-  builder.request :retry
-  builder.adapter :typhoeus
-end
-
 Octokit.configure do |c|
   c.api_endpoint = Octobox.github_api_prefix
   c.web_endpoint = Octobox.github_domain

docker-compose.yml

@@ -5,8 +5,6 @@ services:
     image: postgres:9.6
     environment:
       - POSTGRES_PASSWORD=development
-  memcached:
-    image: memcached
   app:
     image: octobox
     build:
@@ -16,7 +14,6 @@ services:
       - 3000:3000
     links:
       - database:database.service.octobox.internal
-      - memcached:memcached.service.octobox.internal
     environment:
       - RAILS_ENV=development
       - GITHUB_CLIENT_ID=${GITHUB_CLIENT_ID}
@@ -25,5 +22,4 @@ services:
       - OCTOBOX_DATABASE_USER=postgres
       - OCTOBOX_DATABASE_PASSWORD=development
       - OCTOBOX_DATABASE_HOST=database.service.octobox.internal
-      - MEMCACHEDCLOUD_SERVERS=memcached.service.octobox.internal
     command: bin/docker-start