/add-upload-railway

Implement file upload functionality using Railway volumes or S3-compatible storage. Create upload component with drag-and-drop interface. Add Express API endpoint for file handling with multer middleware. Implement multipart/form-data parsing. Add upload progress tracking. Validate file types, sizes, and names server-side. Store files in Railway persistent volume with organized directory structure. Implement file serving endpoint with proper content-type headers. Add file listing and deletion APIs. Handle disk space limits. Configure storage path in environment variables. Reference devops-railway-agent for Railway volumes setup. Provide file management UI and API documentation.