Upgrade Ruby and Rails

.ruby-version

@@ -1 +1 @@
-ruby-1.9.3-p385
+ruby-3.3.2

Dockerfile

@@ -0,0 +1,17 @@
+FROM ruby:1.9.3
+
+# TODO: install imagemagick, arp-scan(?)
+
+WORKDIR /app
+COPY . /app
+
+RUN bundle install
+
+# Copy example Docker configs and generate a random secret token
+# .env will be handled by ENV in docker-compose
+RUN cp config/database.yml.docker config/database.yml &&\
+    cp config/config.yml.docker config/config.yml &&\
+    echo "Dooraccess::Application.config.secret_token = \"$(tr -dc A-Za-z0-9 </dev/urandom | head -c 30; echo)\"" > config/initializers/secret_token.rb
+
+EXPOSE 3000
+CMD "/app/docker-run.sh"

Gemfile

@@ -1,56 +1,24 @@
-source 'https://rubygems.org'
-
-ruby '1.9.3'
-
-gem 'rails', '3.2.8'
-gem 'dotenv-rails'
-
-# Bundle edge Rails instead:
-# gem 'rails', :git => 'git://github.com/rails/rails.git'
-
-gem 'sqlite3'
-gem 'pg'
-gem 'taps'
-
-gem 'json'
-
-# Gems used only for assets and not required
-# in production environments by default.
-group :assets do
-  gem 'sass-rails',   '~> 3.2.3'
-  gem 'coffee-rails', '~> 3.2.1'
-
-  # See https://github.com/sstephenson/execjs#readme for more supported runtimes
-  gem 'therubyracer', :platform => :ruby
-
-  gem 'uglifier', '>= 1.0.3'
-end
-
-gem 'jquery-rails'
-
-gem 'devise'
-
-gem "cancan"
-
-# To use ActiveModel has_secure_password
-gem 'bcrypt-ruby', '~> 3.0.0'
-
-# To use Jbuilder templates for JSON
-# gem 'jbuilder'
-
-# Use unicorn as the app server
-# gem 'unicorn'
-
-# Deploy with Capistrano
-# gem 'capistrano'
-
-# To use debugger
-#gem 'debugger'
+source "https://rubygems.org"
+
+ruby "3.3.2"
+
+gem "rails", "~> 7.1"
+gem "dotenv-rails"
+gem "sprockets-rails"
+gem "pg"
+gem "puma"
+gem "importmap-rails"
+gem "turbo-rails"
+gem "stimulus-rails"
+gem "jbuilder"
+gem "redis"
+gem "tzinfo-data", platforms: %i[ mingw mswin x64_mingw jruby ]
+gem "bootsnap", require: false
+gem "jquery-rails"
+gem "devise"
+gem "rails-healthcheck"
+gem "recaptcha"
+gem "cancancan"
 
 gem "paperclip", "~> 3.0"
-gem "aws-sdk"
-gem 'gravtastic'
-
-gem 'passenger'
-
-gem "rails-settings-cached", "0.2.4"
+gem "gravtastic"