Upgrade Rails to 8.1 and replace Redis/Sidekiq with Solid*

.github/workflows/ci.yml

@@ -2,20 +2,16 @@ name: CI
 
 on:
   pull_request:
-    branches:
-      - '*'
   push:
-    branches:
-      - main
+    branches: [ main ]
 
 jobs:
   scan_ruby:
-    timeout-minutes: 10
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
@@ -25,27 +21,41 @@ jobs:
       - name: Scan for common Rails security vulnerabilities
         run: bin/brakeman --no-pager
 
+      - name: Scan for known security vulnerabilities in gems used
+        run: bin/bundler-audit
+
   lint:
-    timeout-minutes: 10
     runs-on: ubuntu-latest
+    env:
+      RUBOCOP_CACHE_ROOT: tmp/rubocop
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
 
+      - name: Prepare RuboCop cache
+        uses: actions/cache@v5
+        env:
+          DEPENDENCIES_HASH: ${{ hashFiles('.ruby-version', '**/.rubocop.yml', 'Gemfile.lock') }}
+        with:
+          path: ${{ env.RUBOCOP_CACHE_ROOT }}
+          key: rubocop-${{ runner.os }}-${{ env.DEPENDENCIES_HASH }}-${{ github.ref_name == github.event.repository.default_branch && github.run_id || 'default' }}
+          restore-keys: |
+            rubocop-${{ runner.os }}-${{ env.DEPENDENCIES_HASH }}-
+
       - name: Lint code for consistent style
         run: bin/rubocop -f github
 
-      - name: Erb Lint
+      - name: Lint ERB for consistent style
         run: bundle exec erb_lint --lint-all
 
   test:
-    timeout-minutes: 10
     runs-on: ubuntu-latest
+
     services:
       postgres:
         image: postgres:latest
@@ -59,47 +69,27 @@ jobs:
           --health-interval 10s
           --health-timeout 5s
           --health-retries 5
-      redis:
-        image: redis
-        ports: ['6379:6379']
-        options: >-
-          --health-cmd "redis-cli ping"
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-
     steps:
-      - uses: actions/checkout@v4
+      - name: Install dependencies
+        run: sudo apt-get update && sudo apt-get install --no-install-recommends -y libvips
 
-      - name: Setup Ruby
+      - name: Checkout code
+        uses: actions/checkout@v6
+
+      - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
 
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version-file: '.node-version'
-          cache: yarn
-
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y -qq libvips
-          yarn install --frozen-lockfile
-
       - name: Run tests
         env:
           DATABASE_URL: postgres://postgres:password@localhost:5432/test
-          REDIS_URL: redis://localhost:6379/0
           RAILS_ENV: test
           RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}
-        run: |
-          # bin/rails zeitwerk:check test:prepare db:test:prepare test
-          bin/rails test:prepare db:test:prepare test
+        run: bin/rails db:test:prepare test
 
       - name: Keep screenshots from failed system tests
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         if: failure()
         with:
           name: screenshots

.gitignore

@@ -32,7 +32,6 @@
 /public/assets
 /app/assets/builds/*
 !/app/assets/builds/.keep
-/node_modules
 
 # Ignore master key for decrypting credentials and more.
 /config/master.key
@@ -42,9 +41,6 @@
 
 # Ignore other files
 .byebug_history
-yarn-error.log
-yarn-debug.log*
-.yarn-integrity
 .DS_Store
 .idea
 *~

.rubocop.yml

@@ -787,9 +787,6 @@ Lint/SuppressedException:
 Lint/SymbolConversion:
   Enabled: true
 
-Lint/Syntax:
-  Enabled: true
-
 Lint/ToEnumArguments:
   Enabled: false
 

Brewfile

@@ -2,9 +2,6 @@
 brew "postgresql@16"
 brew "libpq"
 
-# Redis - For ActionCable support (and Sidekiq, caching, etc)
-brew "redis"
-
 # Overmind (requires tmux)
 brew "tmux"
 brew "overmind"

CLAUDE.md

@@ -4,7 +4,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 ## Project Overview
 
-This is a Rails 8.0 API application that serves as the backend for NativeAppTemplate iOS/Android mobile applications. It's a multi-tenant SaaS application with token-based authentication, role-based authorization, and RESTful API endpoints. Ruby 4.0.1, PostgreSQL, Redis, Sidekiq.
+This is a Rails 8.1 API application that serves as the backend for NativeAppTemplate iOS/Android mobile applications. It's a multi-tenant SaaS application with token-based authentication, role-based authorization, and RESTful API endpoints. Ruby 4.0.1, PostgreSQL, Solid Queue/Cable/Cache.
 
 ## Development Commands
 
@@ -15,7 +15,7 @@ bin/setup  # Installs all dependencies, prepares database, builds assets
 
 ### Running the Application
 ```bash
-bin/dev  # Starts Rails server, CSS watcher, JS bundler, and Sidekiq workers
+bin/dev  # Starts Rails server, CSS watcher, JS bundler
 ```
 
 ### Testing
@@ -30,6 +30,12 @@ bin/rails test test/path/to/test.rb:42  # Run specific test line
 bin/rubocop                     # Ruby code linting
 bundle exec erb_lint --lint-all # ERB template linting
 bin/brakeman                    # Security vulnerability scanning
+bin/bundler-audit               # Audit gems for known security defects
+```
+
+### Local CI
+```bash
+bin/ci  # Runs setup, rubocop, bundler-audit, brakeman, tests, and seeds
 ```
 
 ### Database Operations
@@ -69,9 +75,10 @@ bin/rails dbconsole           # Database console
 - State machines implemented with AASM gem
 
 ### Background Processing
-- Sidekiq for background jobs with Redis backend
-- Queue priorities: critical (10), mailers (5), default (2), low (1)
-- Monitor at `/madmin/sidekiq` in development
+- Solid Queue for background jobs (database-backed, no Redis needed)
+- Solid Cable for Action Cable (database-backed)
+- Solid Cache for caching in production/staging
+- Monitor jobs at `/madmin/jobs` (Mission Control)
 
 ### Testing Strategy
 - Minitest for all tests (models, controllers, integration, policies)
@@ -92,7 +99,7 @@ bin/rails dbconsole           # Database console
 - Server binds to specific IP: `192.168.1.21:3000` (not localhost)
 - Mailbin for email testing at `/mailbin`
 - Admin interface at `/madmin`
-- Hot reload for CSS/JS changes via yarn watchers
+- Tailwind CSS compiled by tailwindcss-rails gem
 
 ### Important Conventions
 - Use `seed-fu` for database seeding (not standard Rails seeds)
@@ -105,7 +112,7 @@ bin/rails dbconsole           # Database console
 - Configured for Render.com deployment
 - Build script: `bin/render-build.sh`
 - Web server: `bin/render-start.sh`
-- Background workers: `bin/render-start-sidekiq.sh`
+- Solid Queue runs in Puma via `SOLID_QUEUE_IN_PUMA=true`
 
 ## Code Quality Checks Before Committing
 

Gemfile

@@ -4,15 +4,15 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 ruby file: ".ruby-version"
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem "rails", "~> 8.0.0"
+gem "rails", "~> 8.1"
 
 gem "propshaft", "~> 1.0"
 
 # Use postgresql as the database for Active Record
 gem "pg"
 
 # Use the Puma web server [https://github.com/puma/puma]
-gem "puma", "~> 6.0"
+gem "puma", "~> 7.0"
 
 # Hotwire's SPA-like page accelerator [https://turbo.hotwired.dev]
 gem "turbo-rails", "~> 2.0.3"
@@ -23,11 +23,11 @@ gem "stimulus-rails", "~> 1.0", ">= 1.0.2"
 # Build JSON APIs with ease [https://github.com/rails/jbuilder]
 gem "jbuilder", "~> 2.12"
 
-# Use Redis adapter to run Action Cable in production
-gem "redis", "~> 5.1"
-
-# Use Kredis to get higher-level data types in Redis [https://github.com/rails/kredis]
-# gem "kredis"
+# Solid adapters for queue, cache, and cable (database-backed, no Redis needed)
+gem "solid_queue"
+gem "solid_cable"
+gem "solid_cache"
+gem "mission_control-jobs"
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem "tzinfo-data", platforms: %i[windows jruby]
@@ -50,16 +50,15 @@ gem "aasm"
 # https://github.com/aasm/aasm
 gem "after_commit_everywhere", "~> 1.4"
 gem "config"
-gem "sidekiq"
 gem "acts_as_tenant"
 gem "inline_svg", "~> 1.6"
 gem "pagy", "~> 9.0"
 gem "seed-fu", "~> 2.3"
 gem "whenever", require: false
 gem "madmin", github: "excid3/madmin"
 gem "valid_email2"
-gem "cssbundling-rails", "~> 1.4.0"
-gem "jsbundling-rails", "~> 1.3.0"
+gem "importmap-rails"
+gem "tailwindcss-rails", "~> 3.0"
 gem "rack-attack"
 # Fix LoadError: cannot load such file -- csv
 gem "csv", "~> 3.3"
@@ -68,6 +67,9 @@ group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
   gem "debug", platforms: %i[mri windows]
 
+  # Audits gems for known security defects (use config/bundler-audit.yml to ignore issues)
+  gem "bundler-audit", require: false
+
   # Static analysis for security vulnerabilities [https://brakemanscanner.org/]
   gem "brakeman", require: false
 
@@ -78,8 +80,8 @@ group :development, :test do
 
   gem "mailbin"
 
-  # Constrain minitest to 5.x for Rails 7.2 compatibility
-  gem "minitest", "~> 5.0"
+  # minitest 6.x extracted mock to a separate gem
+  gem "minitest-mock"
 
   # Optional debugging tools
   # gem "byebug", platforms: [:mri, :mingw, :x64_mingw]