diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9d84bca..d33c798 100755
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -51,10 +51,10 @@ jobs:
       AWS_REGION: ${{ secrets.AWS_REGION }}
     steps:
       - uses: actions/checkout@v3
-      - name: Set up Ruby 2.6
+      - name: Set up Ruby 3.1.4
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.6
+          ruby-version: 3.1.4
       - uses: actions/cache@v3
         with:
           path: vendor/bundle
@@ -66,8 +66,8 @@ jobs:
           MYSQL_PORT: ${{ job.services.mysql.ports[3306] }}
         run: |
           cp .env.build .env
-          gem install rubygems-update -v 3.4.22
-          gem install bundler:2.4.20
+          gem install rubygems-update -v 3.5.6
+          gem install bundler:2.5.6
           bundle config path vendor/bundle
           bundle install --jobs 4 --retry 3
           sudo /etc/init.d/mysql start
diff --git a/Dockerfile b/Dockerfile
index 0f13bf8..62c6464 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM phusion/passenger-full:2.1.0
+FROM phusion/passenger-full:2.5.1
 LABEL maintainer="kgarza@datacite.org"
 LABEL maintainer_name="Kristian Garza"
 
@@ -13,8 +13,8 @@ RUN usermod -a -G docker_env app
 # Use baseimage-docker's init process.
 CMD ["/sbin/my_init"]
 
-# Install Ruby 2.6.9
-RUN bash -lc 'rvm --default use ruby-2.6.9'
+# Install Ruby 3.1.4
+RUN bash -lc 'rvm --default use ruby-3.1.4'
 
 # Update installed APT packages
 RUN apt-get update && apt-get upgrade -y -o Dpkg::Options::="--force-confold" && \
@@ -46,8 +46,8 @@ RUN mkdir -p /home/app/webapp/tmp/pids && \
 
 # Install Ruby gems
 WORKDIR /home/app/webapp
-RUN gem install rubygems-update -v 3.4.22 && \
-    gem install bundler:2.4.20 && \
+RUN gem install rubygems-update -v 3.5.6 && \
+    gem install bundler:2.5.6 && \
     /sbin/setuser app bundle config set --local path 'vendor/bundle' && \
     /sbin/setuser app bundle install
 
diff --git a/Gemfile b/Gemfile
index fbba1e8..0febcb6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem 'equivalent-xml', '~> 0.6.0'
 gem 'nokogiri', '~> 1.13.6'
 gem 'iso8601', '~> 0.12.1'
 gem 'maremma', '~> 4.9.6'
-gem "dalli", "~> 2.7.6"
+gem "dalli", "~> 3.2", ">= 3.2.8"
 gem "lograge", "~> 0.11.2"
 gem "logstash-event", "~> 1.2", ">= 1.2.02"
 gem "logstash-logger", "~> 0.26.1"
@@ -29,7 +29,6 @@ gem 'shoryuken', '~> 3.2', '>= 3.2.2'
 gem "aws-sdk-s3", require: false
 gem 'aws-sdk-sqs', '~> 1.22'
 gem 'iso_country_codes'
-# gem "rack-timeout"
 gem 'sentry-raven', '~> 2.9'
 gem 'git', '~> 1.5'
 gem "sprockets", "~> 3.7", ">= 3.7.2"
@@ -41,7 +40,6 @@ group :development, :test do
   gem 'rubocop', '~> 0.77.0'
   gem 'rubocop-performance', '~> 1.5', '>= 1.5.1'
   gem 'rubocop-rails', '~> 2.4'
-  #gem "better_errors"
   gem "binding_of_caller"
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 33b2ea1..148550a 100755
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,8 @@ GEM
       aws-sigv4 (~> 1.1)
     aws-sigv4 (1.5.1)
       aws-eventstream (~> 1, >= 1.0.2)
-    base32-url (0.5)
+    base32-url (0.7.0)
+      uuidtools (~> 2.1, >= 2.1.5)
     bcrypt (3.1.18)
     binding_of_caller (1.0.0)
       debug_inspector (>= 0.0.1)
@@ -115,7 +116,7 @@ GEM
     crack (0.4.5)
       rexml
     crass (1.0.6)
-    dalli (2.7.11)
+    dalli (3.2.8)
     database_cleaner (2.0.1)
       database_cleaner-active_record (~> 2.0.0)
     database_cleaner-active_record (2.0.1)
@@ -182,10 +183,9 @@ GEM
       mime-types
       mimemagic (~> 0.3.0)
       terrapin (~> 0.6.0)
-    listen (3.1.5)
+    listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-      ruby_dep (~> 1.2)
     lograge (0.11.2)
       actionpack (>= 4)
       activesupport (>= 4)
@@ -310,7 +310,6 @@ GEM
     rubocop-rspec (1.41.0)
       rubocop (>= 0.68.1)
     ruby-progressbar (1.11.0)
-    ruby_dep (1.5.0)
     sentry-raven (2.13.0)
       faraday (>= 0.7.6, < 1.0)
     shoryuken (3.3.1)
@@ -342,6 +341,7 @@ GEM
     tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
     unicode-display_width (1.6.1)
+    uuidtools (2.2.0)
     vcr (3.0.3)
     webmock (3.17.1)
       addressable (>= 2.8.0)
@@ -370,7 +370,7 @@ DEPENDENCIES
   cancancan (~> 3.0)
   capybara
   codeclimate-test-reporter (~> 1.0.0)
-  dalli (~> 2.7.6)
+  dalli (~> 3.2, >= 3.2.8)
   database_cleaner
   dotenv
   equivalent-xml (~> 0.6.0)
@@ -414,4 +414,4 @@ DEPENDENCIES
   webmock (~> 3.1)
 
 BUNDLED WITH
-   2.3.10
+  2.5.6
\ No newline at end of file
diff --git a/app/models/heartbeat.rb b/app/models/heartbeat.rb
index 1ef0c6e..fff78b3 100644
--- a/app/models/heartbeat.rb
+++ b/app/models/heartbeat.rb
@@ -19,7 +19,7 @@ def services_up?
 
   def memcached_up?
     host = ENV["MEMCACHE_SERVERS"]
-    memcached_client = Dalli::Client.new("#{host}:11211")
+    memcached_client = Dalli::Client.new(ENV["MEMCACHE_SERVERS"])
     memcached_client.alive!
     true
   rescue
diff --git a/bin/setup b/bin/setup
index 104e40c..3a00b1e 100755
--- a/bin/setup
+++ b/bin/setup
@@ -15,7 +15,7 @@ chdir APP_ROOT do
   # Add necessary setup steps to this file.
 
   puts '== Installing dependencies =='
-  system! 'gem install bundler --conservative'
+  system! 'gem install bundler -v 2.5.6 --conservative'
   system('bundle check') || system!('bundle install')
 
 
diff --git a/bin/update b/bin/update
index a8e4462..0b5e7a4 100755
--- a/bin/update
+++ b/bin/update
@@ -15,7 +15,7 @@ chdir APP_ROOT do
   # Add necessary update steps to this file.
 
   puts '== Installing dependencies =='
-  system! 'gem install bundler --conservative'
+  system! 'gem install bundler -v 2.5.6 --conservative'
   system('bundle check') || system!('bundle install')
 
   puts "\n== Updating database =="
diff --git a/config/application.rb b/config/application.rb
index 55e3930..0e98663 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -91,7 +91,7 @@ class Application < Rails::Application
     end
 
     # configure caching
-    config.cache_store = :dalli_store, nil, { :namespace => ENV['APPLICATION'] }
+    config.cache_store = :mem_cache_store, ENV["MEMCACHE_SERVERS"], { namespace: ENV["APPLICATION"] }
 
     # raise error with unpermitted parameters
     config.action_controller.action_on_unpermitted_parameters = :raise
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 1eabffa..23ae1ea 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -28,7 +28,7 @@
 
   # config.action_controller.perform_caching = true
   config.action_controller.perform_caching = true
-  config.cache_store = :dalli_store
+  config.cache_store = :mem_cache_store, ENV["MEMCACHE_SERVERS"], { namespace: ENV["APPLICATION"] }
 
   HttpLog.configure do |config|
     config.enabled = false
diff --git a/config/environments/test.rb b/config/environments/test.rb
index 6b1f5bc..0620141 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -24,7 +24,7 @@
   # Show full error reports and disable caching.
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false
-  config.cache_store = :dalli_store
+  config.cache_store = :mem_cache_store, ENV["MEMCACHE_SERVERS"], { namespace: ENV["APPLICATION"] }
 
 
   # Raise exceptions instead of rendering exception templates.
diff --git a/docker-compose.local.yml b/docker-compose.local.yml
new file mode 100644
index 0000000..8bb4319
--- /dev/null
+++ b/docker-compose.local.yml
@@ -0,0 +1,5 @@
+version: "2"
+
+services:
+  web:
+    build: .