Add more necessary gems, define versions, remove comments

Gemfile

@@ -3,63 +3,42 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 ruby '2.7.5'
 
-# Bundle edge Rails instead: gem 'rails', github: 'rails/rails', branch: 'main'
 gem 'rails', '~> 6.1.4', '>= 6.1.4.4'
-# Use sqlite3 as the database for Active Record
-gem 'sqlite3', '~> 1.4'
-# Use Puma as the app server
-gem 'puma', '~> 5.0'
-# Use SCSS for stylesheets
 gem 'sass-rails', '>= 6'
-# Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
 gem 'webpacker', '~> 5.0'
-# Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
 gem 'turbolinks', '~> 5'
-# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'jbuilder', '~> 2.7'
-# Use Redis adapter to run Action Cable in production
-# gem 'redis', '~> 4.0'
-# Use Active Model has_secure_password
-# gem 'bcrypt', '~> 3.1.7'
-
-# Use Active Storage variant
-# gem 'image_processing', '~> 1.2'
-
-# Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.4.4', require: false
 
 group :development, :test do
-  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
 end
 
 group :development do
-  # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
   gem 'web-console', '>= 4.1.0'
-  # Display performance information such as SQL time and flame graphs for each request in your browser.
-  # Can be configured to work on production as well see: https://github.com/MiniProfiler/rack-mini-profiler/blob/master/README.md
   gem 'rack-mini-profiler', '~> 2.0'
   gem 'listen', '~> 3.3'
-  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
+  gem 'sqlite3', '~> 1.4'
 end
 
 group :test do
   # Adds support for Capybara system testing and selenium driver
   gem 'capybara', '>= 3.26'
   gem 'selenium-webdriver'
-  # Easy installation and use of web drivers to run system tests with browsers
   gem 'webdrivers'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 
-gem "haml-rails", "~> 2.0"
-gem "bcrypt"
+gem 'haml-rails', '~> 2.0'
+gem 'bcrypt', '~> 3.1.7'
 gem 'roo'
 gem 'roo-xls'
 gem 'simple_form'
 gem 'midi-smtp-server', '~> 3.0', require: false
 gem 'will_paginate', '~> 3.0'
 gem 'whenever', '~> 0.9', require: false
+gem 'mysql2', '>=0.5'
+gem 'base32'

Gemfile.lock

@@ -62,6 +62,7 @@ GEM
       zeitwerk (~> 2.3)
     addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
+    base32 (0.3.4)
     bcrypt (3.1.16)
     bindex (0.8.1)
     bootsnap (1.9.3)
@@ -120,13 +121,12 @@ GEM
     mini_portile2 (2.6.1)
     minitest (5.15.0)
     msgpack (1.4.2)
+    mysql2 (0.5.3)
     nio4r (2.5.8)
     nokogiri (1.12.5)
       mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
     public_suffix (4.0.6)
-    puma (5.5.2)
-      nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)
     rack-mini-profiler (2.3.3)
@@ -244,7 +244,8 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bcrypt
+  base32
+  bcrypt (~> 3.1.7)
   bootsnap (>= 1.4.4)
   byebug
   capybara (>= 3.26)
@@ -252,7 +253,7 @@ DEPENDENCIES
   jbuilder (~> 2.7)
   listen (~> 3.3)
   midi-smtp-server (~> 3.0)
-  puma (~> 5.0)
+  mysql2 (>= 0.5)
   rack-mini-profiler (~> 2.0)
   rails (~> 6.1.4, >= 6.1.4.4)
   roo