Revive the live demo

Closes #3537, Refs. #3635

README.md

@@ -19,8 +19,8 @@ RailsAdmin is a Rails engine that provides an easy-to-use interface for managing
 - Check out [the docs][docs].
 - Try the [live demo][demo]. ([Source code][dummy_app])
 
-[demo]: http://rails-admin-tb.herokuapp.com/
-[dummy_app]: https://github.com/bbenezech/dummy_app
+[demo]: https://rails-admin.fly.dev/admin/
+[dummy_app]: https://github.com/railsadminteam/rails_admin/tree/master/spec/dummy_app
 [docs]: https://github.com/railsadminteam/rails_admin/wiki
 
 ## Features

spec/dummy_app/.dockerignore

@@ -0,0 +1,39 @@
+# 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 default key files.
+/config/master.key
+/config/credentials/*.key
+
+# Ignore all environment files.
+/.env*
+!/.env.example
+
+# 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
+
+# Ignore assets.
+/node_modules/
+/app/assets/builds/*
+!/app/assets/builds/.keep
+/public/assets

spec/dummy_app/.gitignore

@@ -19,6 +19,7 @@
 
 /public/system
 
+/public/assets
 /public/packs
 /public/packs-test
 /node_modules

spec/dummy_app/Dockerfile

@@ -0,0 +1,87 @@
+# syntax = docker/dockerfile:1
+
+# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
+ARG RUBY_VERSION=3.1.2
+FROM ruby:$RUBY_VERSION-slim as base
+
+LABEL fly_launch_runtime="rails"
+
+# Rails app lives here
+WORKDIR /rails
+
+# Set production environment
+ENV RAILS_ENV="production" \
+    BUNDLE_WITHOUT="development:test"
+
+# Update gems and bundler
+RUN gem update --system --no-document && \
+    gem install -N bundler
+
+# Install packages needed to install nodejs
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y curl && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
+# Install Node.js
+# ARG NODE_VERSION=18.16.0
+# ENV PATH=/usr/local/node/bin:$PATH
+# RUN curl -sL https://github.com/nodenv/node-build/archive/master.tar.gz | tar xz -C /tmp/ && \
+#     /tmp/node-build-master/bin/node-build "${NODE_VERSION}" /usr/local/node && \
+#     rm -rf /tmp/node-build-master
+
+# Throw-away build stage to reduce size of final image
+FROM base as build
+
+# Install packages needed to build gems and node modules
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y build-essential default-libmysqlclient-dev git libpq-dev libvips node-gyp pkg-config python-is-python3
+
+# Build options
+ENV PATH="/usr/local/node/bin:$PATH"
+
+# Install application gems
+COPY --link Gemfile ./
+RUN sed -i "s/, path: '..\/..\/'//" Gemfile
+RUN bundle install && \
+    rm -rf ~/.bundle/ $BUNDLE_PATH/ruby/*/cache $BUNDLE_PATH/ruby/*/bundler/gems/*/.git
+
+# Install node modules
+# COPY --link package.json ./
+# RUN npm install
+
+# Copy application code
+COPY --link . .
+RUN sed -i "s/, path: '..\/..\/'//" Gemfile
+
+# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
+RUN sed -i "/link_tree ..\/..\/..\//d" app/assets/config/manifest.js
+RUN SECRET_KEY_BASE=DUMMY ./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 default-mysql-client imagemagick libsqlite3-0 libvips postgresql-client && \
+    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 tmp public/system public/uploads
+USER rails:rails
+
+# Deployment options
+ENV RAILS_LOG_TO_STDOUT="1" \
+    RAILS_SERVE_STATIC_FILES="true"
+
+# 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"]

spec/dummy_app/Gemfile

@@ -22,7 +22,7 @@ group :active_record do
 end
 
 gem 'carrierwave', '>= 2.0.0.rc', '< 3.0'
-gem 'cssbundling-rails'
+gem 'cssbundling-rails', require: false
 gem 'devise', '>= 3.2'
 gem 'dragonfly', '~> 1.0'
 gem 'importmap-rails', require: false

spec/dummy_app/bin/docker-entrypoint

@@ -0,0 +1,8 @@
+#!/bin/bash -e
+
+# If running the rails server then create or migrate existing database
+if [ "${*}" == "./bin/rails server" ]; then
+  ./bin/rails db:create db:migrate db:seed
+fi
+
+exec "${@}"

spec/dummy_app/config/database.yml

@@ -30,3 +30,7 @@ development:
 test:
   <<: *sqlite
   database: db/test.sqlite3
+
+production:
+  <<: *sqlite
+  database: db/production.sqlite3

spec/dummy_app/config/dockerfile.yml

@@ -0,0 +1,6 @@
+# generated by dockerfile-rails
+---
+options:
+  label:
+    fly_launch_runtime: rails
+  sentry: false

spec/dummy_app/config/environments/production.rb

@@ -22,7 +22,7 @@
   config.static_cache_control = 'public, max-age=31536000'
 
   # Compress JavaScripts and CSS.
-  config.assets.js_compressor = :uglifier
+  # config.assets.js_compressor = :uglifier
   # config.assets.css_compressor = :sass
 
   # Do not fallback to assets pipeline if a precompiled asset is missed.

spec/dummy_app/config/initializers/dragonfly.rb

@@ -2,6 +2,9 @@
 
 require 'dragonfly'
 
+# Logger
+Dragonfly.logger = Rails.logger
+
 # Configure
 Dragonfly.app.configure do
   plugin :imagemagick
@@ -16,8 +19,5 @@
             server_root: Rails.root.join('public'))
 end
 
-# Logger
-Dragonfly.logger = Rails.logger
-
 # Mount as middleware
 Rails.application.middleware.use Dragonfly::Middleware

spec/dummy_app/config/initializers/rails_admin.rb

@@ -6,4 +6,15 @@
     include_all_fields
     field :color, :hidden
   end
+
+  if Rails.env.production?
+    # Live demo configuration
+    c.main_app_name = ['RailsAdmin', 'Live Demo']
+    c.included_models = %w[Comment Division Draft Fan FieldTest League NestedFieldTest Player Team User]
+    c.model 'FieldTest' do
+      configure :paperclip_asset do
+        visible false
+      end
+    end
+  end
 end

spec/dummy_app/fly.toml

@@ -0,0 +1,22 @@
+# fly.toml app configuration file generated for rails-admin on 2023-08-06T18:22:31+09:00
+#
+# See https://fly.io/docs/reference/configuration/ for information about how to use this file.
+#
+
+app = "rails-admin"
+primary_region = "iad"
+console_command = "/rails/bin/rails console"
+
+[build]
+
+[http_service]
+  internal_port = 3000
+  force_https = true
+  auto_stop_machines = true
+  auto_start_machines = true
+  min_machines_running = 0
+  processes = ["app"]
+
+[[statics]]
+  guest_path = "/rails/public"
+  url_prefix = "/"