add matrix as gem. fix precompilation

.github/workflows/docker_build.yml

@@ -0,0 +1,16 @@
+name: Docker Build
+
+on: [push, pull_request]
+
+jobs:
+ test:
+ runs-on: ubuntu-latest
+ services:
+ steps:
+ - uses: actions/checkout@v4
+ - name: Build docker
+ run: docker build .
+ - name: Test docker compose
+ run: docker-compose up -d
+ - name: Check server is up
+ run: curl -s http://localhost:3000

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.7 AS builder
+FROM ruby:3.2 AS builder
 
 RUN apt-get update && apt-get upgrade -y && apt-get install -y ca-certificates curl gnupg && \
  curl -fsSL https://deb.nodesource.com/setup_21.x | bash - && \
@@ -64,7 +64,7 @@ RUN mv config/credentials.bak config/credentials 2>/dev/null || true
 RUN rm -rf tmp/cache vendor/bundle test spec .git
 
 # This image is for production env only
-FROM ruby:2.7-slim AS final
+FROM ruby:3.2-slim AS final
 
 RUN apt-get update && \
  apt-get install -y postgresql-client \

Gemfile

@@ -26,6 +26,7 @@ gem 'aws-sdk-s3', '~> 1.94', require: false
 gem 'image_processing', '~> 1.12'
 gem 'active_storage_validations', '~> 1.1.3'
 gem "puma", ">= 5.0.0"
+gem 'matrix', '~> 0.4.1'
 
 # Assets
 gem 'jquery-rails', '~> 4.4.0'

Gemfile.lock

@@ -452,6 +452,7 @@ DEPENDENCIES
  kaminari (~> 1.2.1)
  letter_opener (~> 1.7.0)
  localeapp (~> 3.3)
+ matrix (~> 0.4.1)
  pg (~> 1.4)
  pg_search (~> 2.3.5)
  prawn (~> 2.4.0)

app/assets/javascripts/libs.js

@@ -1,7 +1,7 @@
 //= require jquery2
 //= require jquery_ujs
-//= require jquery.validate
+//= require vendor/jquery.validate
 //= require bootstrap
-//= require highcharts
-//= require highcharts-exporting
+//= require vendor/highcharts
+//= require vendor/highcharts-exporting
 //= require select2

config/application.rb

@@ -31,6 +31,7 @@ class Application < Rails::Application
  config.active_record.schema_format = :sql
 
  # Guard against DNS rebinding attacks by permitting hosts
+ # localhost is necessary for the docker image
  config.hosts << 'localhost'
  config.hosts << 'timeoverflow.local'
  config.hosts << 'staging.timeoverflow.org'

config/environments/production.rb

@@ -1,3 +1,4 @@
+# Uglifier is only used on the precompile phase, so we can require it conditionally
 require "uglifier" if ENV["SECRET_KEY_BASE"] == "dummy"
 
 Rails.application.configure do
@@ -57,9 +58,7 @@
 
  # Use the lowest log level to ensure availability of diagnostic information
  # when problems arise.
- config.log_level = if %w(debug info warn error
- fatal).include?(ENV.fetch("RAILS_LOG_LEVEL",
- nil))
+ config.log_level = if %w(debug info warn error fatal).include?(ENV.fetch("RAILS_LOG_LEVEL", nil))
  ENV["RAILS_LOG_LEVEL"]
  else
  :info