Experiment with adding memcached in dev and test

.lando.yml

@@ -24,6 +24,9 @@ services:
   orangelight_redis:
     type: redis:6.0.16
     portforward: true
+  orangelight_memcached:
+    type: memcached
+    portforward: true
 proxy:
   orangelight_test_solr:
     - orangelight.test.solr.lndo.site:8983

Gemfile

@@ -23,6 +23,7 @@ gem 'capistrano-passenger'
 # support for non-marc citations (e.g. SCSB records)
 gem 'citeproc-ruby'
 gem 'csl-styles'
+gem 'dalli'
 # Authentication and authorization
 gem 'devise'
 gem 'devise-guests'

Gemfile.lock

@@ -212,6 +212,7 @@ GEM
     csl-styles (2.0.1)
       csl (~> 2.0)
     csv (3.3.0)
+    dalli (3.2.8)
     datadog (2.7.0)
       datadog-ruby_core_source (~> 3.3)
       libdatadog (~> 14.1.0.1.0)
@@ -771,6 +772,7 @@ DEPENDENCIES
   citeproc-ruby
   coveralls_reborn
   csl-styles
+  dalli
   datadog
   devise
   devise-guests

config/environments/development.rb

@@ -18,6 +18,7 @@
   # since you don't have to restart the web server when you make code changes.
   config.cache_classes = false
 
+  config.cache_store = :mem_cache_store, "#{ENV['lando_orangelight_memcached_conn_host']}:#{ENV['lando_orangelight_memcached_conn_port']}" # Will fallback to $MEMCACHE_SERVERS, then 127.0.0.1:11211
   config.assets.quiet = true
 
   # Do not eager load code on boot.

config/environments/test.rb

@@ -18,6 +18,8 @@
   # your test database is "scratch space" for the test suite and is wiped
   # and recreated between test runs. Don't rely on the data there!
   config.cache_classes = true
+  # use null_store in CI, mem_cache_store locally
+  config.cache_store = ENV['CI'].present? ? :memory_store : :mem_cache_store, "#{ENV['lando_orangelight_memcached_conn_host']}:#{ENV['lando_orangelight_memcached_conn_port']}"
 
   # Eager loading loads your whole application. When running a single test locally,
   # this probably isn't necessary. It's a good idea to do in a continuous integration