WIP

.dockerignore

+# See https://docs.docker.com/engine/reference/builder/#dockerignore-file for more about ignoring files.
+
+# Ignore git directory.
+/.git/
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore all environment files (except templates).
+/.env*
+!/.env*.erb
+
+# Ignore all default key files.
+/config/master.key
+/config/credentials/*.key
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/.keep
+
+# Ignore storage (uploaded files in development and any SQLite databases).
+/storage/*
+!/storage/.keep
+/tmp/storage/*
+!/tmp/storage/.keep
+
+# Ignore assets.
+/node_modules/
+/app/assets/builds/*
+!/app/assets/builds/.keep
+/public/assets

.gitattributes

+# See https://git-scm.com/docs/gitattributes for more about git attribute files.
+
+# Mark the database schema as having been generated.
+db/schema.rb linguist-generated
+
+# Mark any vendored files as having been vendored.
+vendor/* linguist-vendored
+config/credentials/*.yml.enc diff=rails_credentials
+config/credentials.yml.enc diff=rails_credentials

.gitignore

+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
+#
+# If you find yourself ignoring temporary files generated by your text editor
+# or operating system, you probably want to add a global ignore instead:
+#   git config --global core.excludesfile '~/.gitignore_global'
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore all environment files (except templates).
+/.env*
+!/.env*.erb
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/
+!/tmp/pids/.keep
+
+# Ignore storage (uploaded files in development and any SQLite databases).
+/storage/*
+!/storage/.keep
+/tmp/storage/*
+!/tmp/storage/
+!/tmp/storage/.keep
+
+/public/assets
+
+# Ignore master key for decrypting credentials and more.
+/config/master.key

.ruby-version

+ruby-3.2.0

Dockerfile

+# syntax = docker/dockerfile:1
+
+# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
+ARG RUBY_VERSION=3.2.0
+FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base
+
+# Rails app lives here
+WORKDIR /rails
+
+# Set production environment
+ENV RAILS_ENV="production" \
+    BUNDLE_DEPLOYMENT="1" \
+    BUNDLE_PATH="/usr/local/bundle" \
+    BUNDLE_WITHOUT="development"
+
+
+# Throw-away build stage to reduce size of final image
+FROM base as build
+
+# Install packages needed to build gems
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y build-essential git libvips pkg-config
+
+# Install application gems
+COPY Gemfile Gemfile.lock ./
+RUN bundle install && \
+    rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
+    bundle exec bootsnap precompile --gemfile
+
+# Copy application code
+COPY . .
+
+# Precompile bootsnap code for faster boot times
+RUN bundle exec bootsnap precompile app/ lib/
+
+# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
+RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
+
+
+# Final stage for app image
+FROM base
+
+# Install packages needed for deployment
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y curl libsqlite3-0 libvips && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
+# Copy built artifacts: gems, application
+COPY --from=build /usr/local/bundle /usr/local/bundle
+COPY --from=build /rails /rails
+
+# Run and own only the runtime files as a non-root user for security
+RUN useradd rails --create-home --shell /bin/bash && \
+    chown -R rails:rails db log storage tmp
+USER rails:rails
+
+# Entrypoint prepares the database.
+ENTRYPOINT ["/rails/bin/docker-entrypoint"]
+
+# Start the server by default, this can be overwritten at runtime
+EXPOSE 3000
+CMD ["./bin/rails", "server"]

Gemfile

+source "https://rubygems.org"
+
+ruby "3.2.0"
+
+# Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
+gem "rails", "~> 7.1.2"
+
+# The original asset pipeline for Rails [https://github.com/rails/sprockets-rails]
+gem "sprockets-rails"
+
+# Use sqlite3 as the database for Active Record
+gem "sqlite3", "~> 1.4"
+
+# Use the Puma web server [https://github.com/puma/puma]
+gem "puma", ">= 5.0"
+
+# Build JSON APIs with ease [https://github.com/rails/jbuilder]
+gem "jbuilder"
+
+# Use Redis adapter to run Action Cable in production
+# gem "redis", ">= 4.0.1"
+
+# Use Kredis to get higher-level data types in Redis [https://github.com/rails/kredis]
+# gem "kredis"
+
+# Use Active Model has_secure_password [https://guides.rubyonrails.org/active_model_basics.html#securepassword]
+# gem "bcrypt", "~> 3.1.7"
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem "tzinfo-data", platforms: %i[ windows jruby ]
+
+# Reduces boot times through caching; required in config/boot.rb
+gem "bootsnap", require: false
+
+# Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images]
+# gem "image_processing", "~> 1.2"
+
+group :development, :test do
+  # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
+  gem "debug", platforms: %i[ mri windows ]
+end
+
+group :development do
+  # Use console on exceptions pages [https://github.com/rails/web-console]
+  gem "web-console"
+
+  # Add speed badges [https://github.com/MiniProfiler/rack-mini-profiler]
+  # gem "rack-mini-profiler"
+
+  # Speed up commands on slow machines / big apps [https://github.com/rails/spring]
+  # gem "spring"
+end
+
+group :test do
+  # Use system testing [https://guides.rubyonrails.org/testing.html#system-testing]
+  gem "capybara"
+  gem "selenium-webdriver"
+end
+
+gem "solid_queue"
+gem "httparty"

Gemfile.lock

+GEM
+  remote: https://rubygems.org/
+  specs:
+    actioncable (7.1.3.2)
+      actionpack (= 7.1.3.2)
+      activesupport (= 7.1.3.2)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+      zeitwerk (~> 2.6)
+    actionmailbox (7.1.3.2)
+      actionpack (= 7.1.3.2)
+      activejob (= 7.1.3.2)
+      activerecord (= 7.1.3.2)
+      activestorage (= 7.1.3.2)
+      activesupport (= 7.1.3.2)
+      mail (>= 2.7.1)
+      net-imap
+      net-pop
+      net-smtp
+    actionmailer (7.1.3.2)
+      actionpack (= 7.1.3.2)
+      actionview (= 7.1.3.2)
+      activejob (= 7.1.3.2)
+      activesupport (= 7.1.3.2)
+      mail (~> 2.5, >= 2.5.4)
+      net-imap
+      net-pop
+      net-smtp
+      rails-dom-testing (~> 2.2)
+    actionpack (7.1.3.2)
+      actionview (= 7.1.3.2)
+      activesupport (= 7.1.3.2)
+      nokogiri (>= 1.8.5)
+      racc
+      rack (>= 2.2.4)
+      rack-session (>= 1.0.1)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    actiontext (7.1.3.2)
+      actionpack (= 7.1.3.2)
+      activerecord (= 7.1.3.2)
+      activestorage (= 7.1.3.2)
+      activesupport (= 7.1.3.2)
+      globalid (>= 0.6.0)
+      nokogiri (>= 1.8.5)
+    actionview (7.1.3.2)
+      activesupport (= 7.1.3.2)
+      builder (~> 3.1)
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.6)
+    activejob (7.1.3.2)
+      activesupport (= 7.1.3.2)
+      globalid (>= 0.3.6)
+    activemodel (7.1.3.2)
+      activesupport (= 7.1.3.2)
+    activerecord (7.1.3.2)
+      activemodel (= 7.1.3.2)
+      activesupport (= 7.1.3.2)
+      timeout (>= 0.4.0)
+    activestorage (7.1.3.2)
+      actionpack (= 7.1.3.2)
+      activejob (= 7.1.3.2)
+      activerecord (= 7.1.3.2)
+      activesupport (= 7.1.3.2)
+      marcel (~> 1.0)
+    activesupport (7.1.3.2)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      mutex_m
+      tzinfo (~> 2.0)
+    addressable (2.8.6)
+      public_suffix (>= 2.0.2, < 6.0)
+    base64 (0.2.0)
+    bigdecimal (3.1.7)
+    bindex (0.8.1)
+    bootsnap (1.18.3)
+      msgpack (~> 1.2)
+    builder (3.2.4)
+    capybara (3.40.0)
+      addressable
+      matrix
+      mini_mime (>= 0.1.3)
+      nokogiri (~> 1.11)
+      rack (>= 1.6.0)
+      rack-test (>= 0.6.3)
+      regexp_parser (>= 1.5, < 3.0)
+      xpath (~> 3.2)
+    concurrent-ruby (1.2.3)
+    connection_pool (2.4.1)
+    crass (1.0.6)
+    date (3.3.4)
+    debug (1.9.2)
+      irb (~> 1.10)
+      reline (>= 0.3.8)
+    drb (2.2.1)
+    erubi (1.12.0)
+    et-orbi (1.2.11)
+      tzinfo
+    fugit (1.9.0)
+      et-orbi (~> 1, >= 1.2.7)
+      raabro (~> 1.4)
+    globalid (1.2.1)
+      activesupport (>= 6.1)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
+      multi_xml (>= 0.5.2)
+    i18n (1.14.4)
+      concurrent-ruby (~> 1.0)
+    io-console (0.7.2)
+    irb (1.12.0)
+      rdoc
+      reline (>= 0.4.2)
+    jbuilder (2.11.5)
+      actionview (>= 5.0.0)
+      activesupport (>= 5.0.0)
+    loofah (2.22.0)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    mail (2.8.1)
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.0.4)
+    matrix (0.4.2)
+    mini_mime (1.1.5)
+    minitest (5.22.3)
+    msgpack (1.7.2)
+    multi_xml (0.6.0)
+    mutex_m (0.2.0)
+    net-imap (0.4.10)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.5.0)
+      net-protocol
+    nio4r (2.7.1)
+    nokogiri (1.16.3-aarch64-linux)
+      racc (~> 1.4)
+    nokogiri (1.16.3-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.16.3-x86_64-linux)
+      racc (~> 1.4)
+    psych (5.1.2)
+      stringio
+    public_suffix (5.0.5)
+    puma (6.4.2)
+      nio4r (~> 2.0)
+    raabro (1.4.0)
+    racc (1.7.3)
+    rack (3.0.10)
+    rack-session (2.0.0)
+      rack (>= 3.0.0)
+    rack-test (2.1.0)
+      rack (>= 1.3)
+    rackup (2.1.0)
+      rack (>= 3)
+      webrick (~> 1.8)
+    rails (7.1.3.2)
+      actioncable (= 7.1.3.2)
+      actionmailbox (= 7.1.3.2)
+      actionmailer (= 7.1.3.2)
+      actionpack (= 7.1.3.2)
+      actiontext (= 7.1.3.2)
+      actionview (= 7.1.3.2)
+      activejob (= 7.1.3.2)
+      activemodel (= 7.1.3.2)
+      activerecord (= 7.1.3.2)
+      activestorage (= 7.1.3.2)
+      activesupport (= 7.1.3.2)
+      bundler (>= 1.15.0)
+      railties (= 7.1.3.2)
+    rails-dom-testing (2.2.0)
+      activesupport (>= 5.0.0)
+      minitest
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
+    railties (7.1.3.2)
+      actionpack (= 7.1.3.2)
+      activesupport (= 7.1.3.2)
+      irb
+      rackup (>= 1.0.0)
+      rake (>= 12.2)
+      thor (~> 1.0, >= 1.2.2)
+      zeitwerk (~> 2.6)
+    rake (13.2.0)
+    rdoc (6.6.3.1)
+      psych (>= 4.0.0)
+    regexp_parser (2.9.0)
+    reline (0.5.0)
+      io-console (~> 0.5)
+    rexml (3.2.6)
+    rubyzip (2.3.2)
+    selenium-webdriver (4.19.0)
+      base64 (~> 0.2)
+      rexml (~> 3.2, >= 3.2.5)
+      rubyzip (>= 1.2.2, < 3.0)
+      websocket (~> 1.0)
+    solid_queue (0.3.0)
+      activejob (>= 7.1)
+      activerecord (>= 7.1)
+      concurrent-ruby (~> 1.2.2)
+      fugit (~> 1.9.0)
+      railties (>= 7.1)
+    sprockets (4.2.1)
+      concurrent-ruby (~> 1.0)
+      rack (>= 2.2.4, < 4)
+    sprockets-rails (3.4.2)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
+      sprockets (>= 3.0.0)
+    sqlite3 (1.7.3-aarch64-linux)
+    sqlite3 (1.7.3-arm64-darwin)
+    sqlite3 (1.7.3-x86_64-linux)
+    stringio (3.1.0)
+    thor (1.3.1)
+    timeout (0.4.1)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    web-console (4.2.1)
+      actionview (>= 6.0.0)
+      activemodel (>= 6.0.0)
+      bindex (>= 0.4.0)
+      railties (>= 6.0.0)
+    webrick (1.8.1)
+    websocket (1.2.10)
+    websocket-driver (0.7.6)
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    xpath (3.2.0)
+      nokogiri (~> 1.8)
+    zeitwerk (2.6.13)
+
+PLATFORMS
+  aarch64-linux
+  arm64-darwin-22
+  x86_64-linux
+
+DEPENDENCIES
+  bootsnap
+  capybara
+  debug
+  httparty
+  jbuilder
+  puma (>= 5.0)
+  rails (~> 7.1.2)
+  selenium-webdriver
+  solid_queue
+  sprockets-rails
+  sqlite3 (~> 1.4)
+  tzinfo-data
+  web-console
+
+RUBY VERSION
+   ruby 3.2.0p0
+
+BUNDLED WITH
+   2.4.1

README.md

+# README
+
+This README would normally document whatever steps are necessary to get the
+application up and running.
+
+Things you may want to cover:
+
+* Ruby version
+
+* System dependencies
+
+* Configuration
+
+* Database creation
+
+* Database initialization
+
+* How to run the test suite
+
+* Services (job queues, cache servers, search engines, etc.)
+
+* Deployment instructions
+
+* ...

Rakefile

+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require_relative "config/application"
+
+Rails.application.load_tasks

app/assets/config/manifest.js

+//= link_tree ../images
+//= link_directory ../stylesheets .css

app/assets/stylesheets/application.css

+/*
+ * This is a manifest file that'll be compiled into application.css, which will include all the files
+ * listed below.
+ *
+ * Any CSS (and SCSS, if configured) file within this directory, lib/assets/stylesheets, or any plugin's
+ * vendor/assets/stylesheets directory can be referenced here using a relative path.
+ *
+ * You're free to add application-wide styles to this file and they'll appear at the bottom of the
+ * compiled file so the styles you add here take precedence over styles defined in any other CSS
+ * files in this directory. Styles in this file should be added after the last require_* statement.
+ * It is generally better to create a new file per style scope.
+ *
+ *= require_tree .
+ *= require_self
+ */
+/* Add your styles here to layout the tabs, timeline, and session blocks */
+.timeline {
+  position: relative;
+  margin: 0 auto;
+}
+
+.session {
+  padding: 10px;
+  background-color: #f9f9f9;
+  border: 1px solid #d4d4d4;
+}
+
+.session h4 {
+  margin-top: 0;
+}

app/channels/application_cable/channel.rb

+module ApplicationCable
+  class Channel < ActionCable::Channel::Base
+  end
+end

app/channels/application_cable/connection.rb

+module ApplicationCable
+  class Connection < ActionCable::Connection::Base
+  end
+end

app/controllers/application_controller.rb

+class ApplicationController < ActionController::Base
+end

app/controllers/conferences_controller.rb

+class ConferencesController < ApplicationController
+  def index
+    @conferences = Conference.all
+  end
+
+  def show
+    @conference = Conference.find_by(slug: params[:slug])
+    @sessions = @conference.sessions.where.not(starts_at: nil).includes(:stage).order(:starts_at)
+    @sessions_by_date = @sessions.group_by{ |x| x.starts_at.to_date }
+  end
+end

app/controllers/sessions_controller.rb

+class SessionsController < ApplicationController
+  def index
+    @conference = Conference.find_by(slug: params[:conference_slug])
+    @sessions = @conference.sessions.includes(:stage).order(:starts_at)
+
+    # Filter by date if provided
+    if params[:date].present?
+      date = Date.parse(params[:date])
+      @sessions = @sessions.where(starts_at: date.beginning_of_day..date.end_of_day)
+    end
+
+    # Filter by stage name if provided
+    if params[:stage].present?
+      @sessions = @sessions.joins(:stage).where(stages: { name: params[:stage] })
+    end
+
+    # Further filtering options can be added here
+  end
+end

app/helpers/application_helper.rb

+module ApplicationHelper
+end

app/helpers/conferences_helper.rb

+module ConferencesHelper
+end