Use Cases for Falling Through for (Static )Resources

[zhanbei]

• index.html
  • Site for all sub sites, or use nginx to direct to the right.
  • Only for very few special usages.
• favicon.ico
  • This is common because all sub sites may share the same favicon.
  • Do not copy it again and again.
• robots.txt
• Other Resources(Scripts and Styles)
  • May not be copied nor fallthrough, but better be referred cross site.
  • May be used to as the custom 404 pages, corresponding with the route mapping.