Add sidekiq

Gemfile

@@ -74,3 +74,5 @@ end
 gem "tailwindcss-rails", "~> 2.0"
 gem "font-awesome-sass"
 gem "httparty"
+
+gem "sidekiq"

Gemfile.lock

@@ -82,6 +82,7 @@ GEM
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
     concurrent-ruby (1.2.2)
+    connection_pool (2.4.1)
     crass (1.0.6)
     date (3.3.3)
     debug (1.8.0)
@@ -177,6 +178,8 @@ GEM
     rdoc (6.5.0)
       psych (>= 4.0.0)
     redis (4.8.1)
+    redis-client (0.17.0)
+      connection_pool
     regexp_parser (2.8.1)
     reline (0.3.8)
       io-console (~> 0.5)
@@ -188,6 +191,11 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
+    sidekiq (7.1.4)
+      concurrent-ruby (< 2)
+      connection_pool (>= 2.3.0)
+      rack (>= 2.2.4)
+      redis-client (>= 0.14.0)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
@@ -241,6 +249,7 @@ DEPENDENCIES
   rails (~> 7.0.7, >= 7.0.7.2)
   redis (~> 4.0)
   selenium-webdriver
+  sidekiq
   sprockets-rails
   stimulus-rails
   tailwindcss-rails (~> 2.0)

Procfile

@@ -0,0 +1,3 @@
+css: bin/rails tailwindcss:watch
+redis: /opt/homebrew/opt/redis/bin/redis-server /opt/homebrew/etc/redis.conf
+sidekiq: bundle exec sidekiq -C config/sidekiq.yml

Procfile.dev

@@ -1,2 +0,0 @@
-web: bin/rails server -p 3000
-css: bin/rails tailwindcss:watch

config/application.rb

@@ -11,6 +11,8 @@ module LectureAttendanceManager
     # Initialize configuration defaults for originally generated Rails version.
     config.load_defaults 7.0
 
+    config.active_job.queue_adapter = :sidekiq
+
     # Configuration for the application, engines, and railties goes here.
     #
     # These settings can be overridden in specific environments using the files

config/initializers/sidekiq.rb

@@ -0,0 +1,7 @@
+Sidekiq.configure_server do |config|
+  config.redis = { url: ENV['REDIS_URL'] }
+end
+
+Sidekiq.configure_client do |config|
+  config.redis = { url: ENV['REDIS_URL'] }
+end

config/sidekiq.yml

@@ -0,0 +1,13 @@
+---
+:concurrency: 5
+staging:
+  :concurrency: 10
+production:
+  :concurrency: 20
+:queues:
+  - default
+  - mailers
+
+# These are the cron jobs
+:scheduler:
+  :schedule: