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lighttpd is a high performance web-server that can serve well as an "asset server". At Edoceo we use lighttpd to power content distribution network. When implemented we saw a large reduction in load on our primary web server and increased performance of our sites as a whole.

Installing lighttpd

Simply set the USE flags and emerge, this is what ours looks like.

carbon # emerge -pv lighttpd
[ebuild  N    ] www-servers/lighttpd-1.4.20  USE="bzip2 -doc -fam -fastcgi \
  gdbm ipv6 -ldap -lua -memcache -minimal -mysql pcre -php -rrdtool ssl \
  -test -webdav xattr" 604 kB

Configuring as CDN

When lighttpd will be functioning in a CDN it may be necessary to adjust some modules as well as add a few additional mime types.

We choose to disable almost all modules possible, here is a snip from lighttpd.conf

server.modules = (
  "mod_access",
  "mod_status",
  "mod_simple_vhost",
  "mod_accesslog"
)

# we comment this out because everything from the CDN is static
#static-file.exclude-extensions = (".php", ".pl", ".cgi", ".fcgi")

We also had to update the mime-types so lighttpd would return scripting language files as text. We added these lines to the mime-types.conf file distributed with lighttpd.

".dmg"          =>      "application/x-apple-diskimage",
# return these scripts as text
".php"          =>      "text/plain",
".pl"           =>      "text/plain",
".sh"           =>      "text/plain",