7.4: Add Production Configuration

[justin808]

Overview

Configure for production deployment.

Parent Epic: #70
Priority: P1

Prerequisites

• All previous issues substantially complete
• 6.3: Add HTTP Caching Headers #98 (6.3: Add HTTP Caching Headers)
• 7.3: Write Integration Tests #101 (7.3: Write Integration Tests)

Next Issues (after this is complete)

• 7.5: Create README Documentation

Acceptance Criteria

• Production Rspack/bundler configuration optimized
• Asset fingerprinting/cache busting enabled
• CSS and JS minification
• Source maps configured appropriately
• Proper error pages (404.html, 500.html)
• Health check endpoint (/health or /up)
• Environment variables documented
• Deployment script or instructions

Implementation Notes

Production checklist:

1. RAILS_ENV=production settings
2. config/environments/production.rb reviewed
3. Asset precompilation works: rails assets:precompile
4. Database migrations (if any)
5. Secret key base configured
6. Logging configured appropriately

Consider deployment targets:

• Heroku
• Render
• Fly.io
• Docker container