Handle Chrome/Firefox cache for CSS and JS files

.htaccess

# Block libwww-perl
SetEnvIfNoCase User-Agent "^libwww-perl*" block_bad_bots
Deny from env=block_bad_bots

<IfModule mod_rewrite.c>
    <IfModule mod_negotiation.c>
      Options -MultiViews
    </IfModule>

    <Limit GET POST PUT DELETE>
      Allow from all
    </Limit>

    RewriteEngine On

    # Redirect to HTTPS
    RewriteCond %{HTTPS} off
    RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

    # Force www
    RewriteCond %{HTTP_HOST} ^%{HTTP_HOST}% [NC]
    RewriteRule ^(.*)$ https://www.%{HTTP_HOST}%/$1 [L,R=301,NC]

    # Handle Authorization Header
    RewriteCond %{HTTP:Authorization} .
    RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]

    # Fix the css and js caching with versioning
    RewriteRule ^(.*)/(.+)\.v(.+)\.(js|css)$ $1/$2.$4 [L]

    # Redirect Trailing Slashes If Not A Folder...
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)/$ /$1 [L,R=301]

    # Handle Front Controller...
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteRule ^ index.php [L]
</IfModule>

<IfModule mod_expires.c>
  # Enable expirations.
  ExpiresActive On

  # Cache all files for 2 weeks after access (A).
  ExpiresDefault A1209600

  # Enable Deflate
  <IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript
  </IfModule>

  # Enable HSTS
  <IfModule mod_headers.c>
    Header set Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" env=HTTPS
  </IfModule>

  # Disable HTML cache
  <FilesMatch "\.(html)$">
    ExpiresActive Off
    <IfModule mod_headers.c>
      Header unset ETag
      Header set Cache-Control "max-age=0, no-cache, no-store, must-revalidate"
      Header set Pragma "no-cache"
      Header set Expires "Wed, 08 Jan 1975 05:00:00 GMT"
    </IfModule>
  </FilesMatch>

  # Set up caching on media files for 1 year (forever?)
  <FilesMatch "\.(flv|ico|pdf|avi|mov|ppt|doc|mp3|wmv|wav)$">
    ExpiresDefault A29030400
     <IfModule mod_headers.c>
        Header append Cache-Control "public"
    </IfModule>
  </FilesMatch>

  # Set up caching on media files for 1 week
  <FilesMatch "\.(gif|jpg|jpeg|png|swf|bmp)$">
    ExpiresDefault A29030400
     <IfModule mod_headers.c>
        Header append Cache-Control "public"
    </IfModule>
  </FilesMatch>

  # Set up 2 Hour caching on commonly updated files
  <FilesMatch "\.(xml|txt|js|css)$">
    ExpiresDefault A29030400
     <IfModule mod_headers.c>
        Header append Cache-Control "public"
    </IfModule>
  </FilesMatch>
</IfModule>

<link rel="stylesheet" type="text/css" href="/dist/style.v1.css" />
<script type="application/javascript" src="/dist/script.v1.js"></script>

Just crank up the v-number in the filename to release a new CSS/JS file.