netlify.toml

[[headers]]
  for = "*.js"  # for caching js files
  [headers.values]
    Cache-Control = "public, max-age=34397077" # 1year 1month cache
[[headers]]
  for = "*.jsx"  # for caching jsx files
  [headers.values]
    Cache-Control = "public, max-age=34397077" # 1year 1month cache
[[headers]]
  for = "*.css" # css files too
  [headers.values]
    Cache-Control = "public, max-age=34397077"
[[headers]]
  for = "*.png" # png files too
  [headers.values]
    Cache-Control = "public, max-age=34397077"
[[headers]]
  for = "*.jpg" # jpg files too
  [headers.values]
    Cache-Control = "public, max-age=34397077"
[[headers]]
  for = "*.jpeg" # jpeg files too
  [headers.values]
    Cache-Control = "public, max-age=34397077"
[[headers]]
  for = "*.webp" # webp files too
  [headers.values]
    Cache-Control = "public, max-age=34397077"
[[headers]]
  for = "*.svg" # svg files too
  [headers.values]
    Cache-Control = "public, max-age=34397077"