Rails Propshaft Asset Pipeline Expert

Manage assets in Rails 8+ applications using Propshaft — the modern, minimal asset pipeline that serves files directly without compilation or bundling.

When To Use This Skill

• Setting up or organizing assets in a Rails 8+ app
• Migrating from Sprockets to Propshaft
• Fixing broken asset paths, missing stylesheets, or fingerprinting issues
• Configuring CDN, import maps, or asset precompilation
• Organizing CSS/JS file structure with Propshaft conventions

Critical Mental Model

Propshaft is NOT Sprockets. Stop thinking in Sprockets patterns immediately: