A minimal Rails 8 starter template with Docker Compose. Get a fully working Rails 8 development environment in seconds. Supports vanilla Rails or MaglevCMS for content management.

git clone https://github.com/mkyed/just-rails-8 my-project
cd my-project
docker compose up

Open http://localhost:3008 - done!

• Zero Configuration - Just docker compose up and start coding
• Ruby 4.0 + Rails 8.1 - Latest stable versions
• Two Flavors:
  • Vanilla: Minimal Rails 8 with SQLite
  • Maglev CMS: Rails 8 with MaglevCMS 2.1 website builder
• Local Editing - Files mounted as volumes, edit with your favorite IDE
• Persistent Data - Database and gems cached between restarts

docker compose up

JR8_FLAVOR=maglev docker compose up

./just-rails-8/reset.sh --clean-untracked

JustRails8 is designed as a starting point for new projects:

1. Clone or use GitHub's "Use this template" button
2. Reset Git history to start fresh:

   rm -rf .git
   git init
   git add .
   git commit -m "Initial commit"

3. Push to your own repository

.
├── docker-compose.yml      # Docker Compose configuration
├── just-rails-8/
│   ├── Dockerfile          # Ruby 4.0 image with Rails 8.1
│   ├── setup.sh            # Initializes Rails app on first run
│   └── reset.sh            # Cleanup script
└── (Rails app files generated on first run)

• Docker with Docker Compose
• Git

# Start app
docker compose up

# Rebuild after Dockerfile changes
docker compose up --build

# Rails console
docker compose exec web rails console

# Run migrations
docker compose exec web rails db:migrate

# Stop containers
docker compose down

MIT