Gemfile

@@ -18,6 +18,7 @@ gem "jbuilder"
 # Use Redis adapter to run Action Cable in production
 # gem "redis", ">= 4.0.1"
 
+gem "solid_cache"
 gem "solid_queue"
 
 # Use Kredis to get higher-level data types in Redis [https://github.com/rails/kredis]

Gemfile.lock

@@ -263,6 +263,10 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
+    solid_cache (1.0.5)
+      activejob (>= 7.2)
+      activerecord (>= 7.2)
+      railties (>= 7.2)
     solid_queue (0.8.2)
       activejob (>= 7.1)
       activerecord (>= 7.1)
@@ -325,6 +329,7 @@ DEPENDENCIES
   rails!
   rubocop-rails-omakase
   selenium-webdriver
+  solid_cache
   solid_queue
   sqlite3 (>= 1.4)
   stimulus-rails

config/database.yml

@@ -10,8 +10,14 @@ default: &default
   timeout: 5000
 
 development:
+  primary:
     <<: *default
     database: db/development.sqlite3
+  cache:
+    <<: *default
+    database: db/development_cache.sqlite3
+    migrations_paths: db/cache_migrate
+
 
 # Warning: The database defined as "test" will be erased and
 # re-generated from your development database when you run "rake".
@@ -21,5 +27,10 @@ test:
   database: db/test.sqlite3
 
 production:
+  primary:
     <<: *default
-  database: db/production.sqlite3
+    database: storage/production.sqlite3
+  cache:
+    <<: *default
+    database: storage/production_cache.sqlite3
+    migrations_paths: db/cache_migrate

config/environments/development.rb

@@ -28,7 +28,7 @@ Rails.application.configure do
   end
 
   # Change this to :null_store to avoid any caching
-  config.cache_store = :memory_store
+  config.cache_store = :solid_cache_store
 
   # Store uploaded files on the local file system (see config/storage.yml for options).
   config.active_storage.service = :local

config/environments/production.rb

@@ -66,7 +66,7 @@ Rails.application.configure do
   config.log_level = ENV.fetch("RAILS_LOG_LEVEL", "info")
 
   # Use a different cache store in production.
-  # config.cache_store = :mem_cache_store
+  config.cache_store = :solid_cache_store
 
   # Use a real queuing backend for Active Job (and separate queues per environment).
   config.active_job.queue_adapter = :solid_queue

config/solid_cache.yml

@@ -0,0 +1,16 @@
+default: &default
+  database: cache
+  store_options:
+    # Cap age of oldest cache entry to fulfill retention policies
+    # max_age: <%= 60.days.to_i %>
+    max_size: <%= 256.megabytes %>
+    namespace: <%= Rails.env %>
+
+development:
+  <<: *default
+
+test:
+  <<: *default
+
+production:
+  <<: *default

db/cache_schema.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+ActiveRecord::Schema[7.1].define(version: 1) do
+  create_table "solid_cache_entries", force: :cascade do |t|
+    t.binary "key", limit: 1024, null: false
+    t.binary "value", limit: 536870912, null: false
+    t.datetime "created_at", null: false
+    t.integer "key_hash", limit: 8, null: false
+    t.integer "byte_size", limit: 4, null: false
+    t.index ["byte_size"], name: "index_solid_cache_entries_on_byte_size"
+    t.index ["key_hash", "byte_size"], name: "index_solid_cache_entries_on_key_hash_and_byte_size"
+    t.index ["key_hash"], name: "index_solid_cache_entries_on_key_hash", unique: true
+  end
+end