Better Local Dev Hostnames with Dnsmasq
I use ghost to configure development environment hostnames for all my local test sites. Some DTrace tomfoolery showed me how ghost handles this config: each new hostname is saved to its own plist file.
Update: for zero-configuration wildcard DNS, check out xip.io.
ambackstrom@fsck:~:1$ sudo cat /var/db/dslocal/nodes/Default/hosts/example.com.plist Password: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>ip_address</key> <array> <string>127.0.0.1</string> </array> <key>name</key> <array> <string>example.com</string> </array> </dict> </plist>
There's filesystem caching going on behind the scenes and I expect the
net impact is negligible, but I wondered if there wasn't a more robust
solution that supported wildcards. Having just configured dnsmasq on
my router, I started with a
install dnsmasq and was
pleasantly surprised to get a progress bar rather than "no available
formula." Homebrew recommended a couple post-install actions for setting
up a default config file and configuring
launchd to keep dnsmasq
alive, which I dutifully ran. After that, I enabled my fake TLD in
# respond to *.zomg with 127.0.0.1 address=/zomg/127.0.0.1
By sheer luck I ended up on this great serverfault.com post
explaining Mac OS X's
resolver(5) and the
dnsmasq lookup on my zomg TLD is as easy as:
echo 'nameserver 127.0.0.1' >/etc/resolver/zomg
These settings will work on any network we connect to, no need to modify the DNS servers via System Preferences and put 127.0.0.1 (dnsmasq) in front. Simple, clean, flexible.