upgrade the dalli gem

Gemfile

@@ -11,7 +11,7 @@ gem "bootsnap", "~> 1.2", ">= 1.2.1"
 gem "cancancan", "~> 2.0"
 gem "countries", "~> 2.1", ">= 2.1.2"
 gem "country_select", "~> 3.1"
-gem "dalli", "~> 2.7.6"
+gem "dalli", "~> 3.2", ">= 3.2.8"
 gem "dotenv"
 gem "equivalent-xml", "~> 0.6.0"
 gem "facets", require: false

app/controllers/index_controller.rb

@@ -2,4 +2,10 @@ class IndexController < ApplicationController
   def index
     render plain: ENV["SITE_TITLE"]
   end
+
+  def show
+    id = params[:id]
+    foo = Rails.cache.fetch("wendel/#{id}", expires_in: 1.day) { "cached_wendel_#{id}_test" }
+    render json: {message: foo}
+  end
 end

app/models/heartbeat.rb

@@ -14,7 +14,7 @@ def initialize
   end
 
   def memcached_up?
-    memcached_client = Dalli::Client.new
+    memcached_client = Dalli::Client.new(ENV["MEMCACHE_SERVERS"])
     memcached_client.alive!
     true
   rescue StandardError

config/environments/development.rb

@@ -15,7 +15,7 @@
   # config.action_controller.perform_caching = true
   config.perform_caching = true
   config.action_controller.perform_caching = true
-  config.cache_store = :dalli_store, nil, { namespace: ENV["APPLICATION"] }
+  config.cache_store = :mem_cache_store, ENV["MEMCACHE_SERVERS"], { namespace: ENV["APPLICATION"] }
 
   # Don't care if the mailer can't send.
   # config.action_mailer.raise_delivery_errors = false

config/environments/production.rb

@@ -14,7 +14,7 @@
   config.consider_all_requests_local = false
   config.perform_caching = true
   config.action_controller.perform_caching = true
-  config.cache_store = :dalli_store, nil, { namespace: ENV["APPLICATION"] }
+  config.cache_store = :mem_cache_store, ENV["MEMCACHE_SERVERS"], { namespace: ENV["APPLICATION"] }
 
   # Attempt to read encrypted secrets from `config/secrets.yml.enc`.
   # Requires an encryption key in `ENV["RAILS_MASTER_KEY"]` or

config/environments/stage.rb

@@ -16,7 +16,7 @@
   # Disable/enable fragment and page caching in ActionController
   config.perform_caching = true
   config.action_controller.perform_caching = true
-  config.cache_store = :dalli_store, nil, { namespace: ENV["APPLICATION"] }
+  config.cache_store = :mem_cache_store, ENV["MEMCACHE_SERVERS"], { namespace: ENV["APPLICATION"] }
 
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.

config/routes.rb

@@ -2,7 +2,7 @@
   root to: "index#index"
 
   resources :heartbeat, only: [:index]
-  resources :index, path: "/", only: [:index]
+  resources :index, path: "/", only: [:index, :show]
 
   # trigger agents
   post "agents/crossref", to: "agents#crossref"

spec/concerns/cacheable_spec.rb

@@ -43,7 +43,6 @@
 
     describe "when there is a cache hit" do
       it "will fetch the value from cache" do
-        debugger
         Rails.cache.fetch("ras/100", expires: 1.day) { { message: "from cache" } }
         result = RelatedIdentifier.cached_doi_ra("100")
         expect(result).to(eq({message: "from cache"}))