cache-control.json

{
  "index.html": "no-cache",
  "*.css": "public,max-age=31536000,immutable",
  "*.js": "public,max-age=31536000,immutable",
  "*.png": "public,max-age=86400,stale-while-revalidate=2592000",
  "*.ico": "public,max-age=86400,stale-while-revalidate=2592000",
  "*.txt": "public,max-age=86400,stale-while-revalidate=2592000"
}