Week3 data base optimization

.gitignore

@@ -2,3 +2,6 @@
 /tmp
 /log
 /public
+/vendor/*
+.byebug_history
+/fixtures/

.rubocop.yml

@@ -0,0 +1,62 @@
+---
+AllCops:
+  DisplayCopNames: true
+  Exclude:
+    - "bin/**"
+    - "db/schema.rb"
+    - "db/migrate/**"
+    - "vendor/**/*"
+    - "node_modules/**/*"
+  NewCops: enable
+  TargetRailsVersion: 6
+  TargetRubyVersion: 3.2
+
+Layout/LineLength:
+  Enabled: false
+
+Metrics/AbcSize:
+  Enabled: false
+
+Metrics/ModuleLength:
+  Enabled: false
+
+Metrics/BlockLength:
+  Enabled: false
+
+Metrics/CyclomaticComplexity:
+  Enabled: false
+
+Metrics/ClassLength:
+  Enabled: false
+
+Metrics/MethodLength:
+  Enabled: false
+
+Metrics/PerceivedComplexity:
+  Enabled: false
+
+Rails:
+  Enabled: true
+
+Rails/UnknownEnv:
+  Environments:
+    - production
+    - development
+    - staging
+    - test
+
+require:
+  - rubocop-performance
+  - rubocop-rails
+
+Style/AsciiComments:
+  Enabled: false
+
+Style/ClassAndModuleChildren:
+  Enabled: false
+
+Style/Documentation:
+  Enabled: false
+
+Style/IfUnlessModifier:
+  Enabled: false

.ruby-version

@@ -1 +1 @@
-2.6.3
+3.3.4

Dockerfile

@@ -0,0 +1,18 @@
+FROM ruby:3.3.4
+
+ENV NODE_VERSION 19.x
+
+RUN curl -sL https://deb.nodesource.com/setup_${NODE_VERSION} | bash -
+
+RUN apt-get update \
+  && apt-get install -y nodejs \
+  && rm -rf /var/lib/apt/lists/*
+
+ENV PROJECT_ROOT /app
+RUN mkdir -p ${PROJECT_ROOT}
+
+WORKDIR ${PROJECT_ROOT}
+
+ENV BUNDLE_APP_CONFIG ${PROJECT_ROOT}/bundle/config
+ENV GEM_HOME ${PROJECT_ROOT}/vendor/bundle
+ENV BUNDLE_PATH ${GEM_HOME}

Gemfile

@@ -1,26 +1,52 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '2.6.3'
+ruby '3.3.4'
 
-gem 'rails', '~> 5.2.3'
-gem 'pg', '>= 0.18', '< 2.0'
-gem 'puma', '~> 3.11'
-gem 'bootsnap', '>= 1.1.0', require: false
+gem 'activerecord-import'
+gem 'bootsnap', require: false
+gem 'flamegraph'
+gem 'json-stream'
+gem 'kaminari'
+gem 'meta_request'
+gem 'pg'
+gem 'puma'
+gem 'rack-mini-profiler'
+gem 'rails', '~> 7'
+gem 'rubocop-rails', require: false
+gem 'sprockets-rails'
+gem 'yajl-ruby', require: 'yajl'
+gem "pghero"
 
 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]
+  gem 'benchmark'
+  gem 'bullet'
+  gem 'byebug', platforms: %i[mri mingw x64_mingw]
+  gem 'memory_profiler'
+  gem 'rubocop-performance'
+  gem 'ruby-prof'
+  gem 'stackprof'
+  gem 'strong_migrations'
 end
 
 group :development do
   # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
-  gem 'web-console', '>= 3.3.0'
-  gem 'listen', '>= 3.0.5', '< 3.2'
+  gem 'listen'
+  gem 'web-console'
 end
 
 group :test do
+  gem 'minitest-power_assert'
+  gem 'capybara'
+  gem 'selenium-webdriver'
+  # Easy installation and use of web drivers to run system tests with browsers
+  gem 'webdrivers'
+  gem 'sqlite3'
+  gem 'rspec-benchmark'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]