Use unicorn to run the geocoder.

conf/geocoder-us/unicorn.rb

@@ -0,0 +1,11 @@
+worker_processes 4
+listen "/var/run/geocoder-us/unicorn.sock", :backlog => 64
+pid "/var/run/geocoder-us/unicorn.pid"
+stderr_path "/var/log/geocoder-us/geocoder-err.log"
+stdout_path "/var/log/geocoder-us/geocoder-out.log"
+
+# Have each process listen on a local port for debugging purposes.
+after_fork do |server, worker|
+    addr = "127.0.0.1:#{40000 + worker.nr}"
+    server.listen(addr, :tries => 1, :delay => 5, :tcp_nopush => true)
+end

conf/init/geocoder-us.conf

@@ -10,16 +10,6 @@ stop on runlevel [!2345]
 
 respawn
 script
-    cd /tmp
-    ruby /usr/lib/ruby/1.8/geocoder/us/rest.rb /mnt/geocoder-us/geocoder.db
-end script
-
-post-start script
-    mkdir -p /var/run/geocoder-us
-    PID=`status geocoder-us | egrep -oi '([0-9]+)$' | head -n1`
-    echo $PID > /var/run/geocoder-us/geocoder-us.pid
-end script
-
-post-stop script
-    rm -f /var/run/geocoder-us/geocoder-us.pid
+    . /etc/default/geocoder-us
+    unicorn -c /etc/geocoder-us/unicorn.rb -D /etc/geocoder-us/geocoder.ru
 end script

debian/control

@@ -9,6 +9,6 @@ Homepage: http://github.com/simplegeo/geocoder/
 
 Package: geocoder-us
 Architecture: any
-Depends: ${misc:Depends}, ${shlibs:Depends}, ruby1.8, libsqlite3-ruby (>= 1.3.0), libsinatra-ruby, libjson-ruby, thin
+Depends: ${misc:Depends}, ${shlibs:Depends}, ruby1.8, libsqlite3-ruby (>= 1.3.0), libsinatra-ruby, libjson-ruby, unicorn
 Description: A US address geocoder.
  A US address geocoder. Requires a suitable database.

debian/default

@@ -0,0 +1,6 @@
+# Defaults for geocoder-us upstart job
+# sourced by /etc/init/geocoder-us.conf
+# installed at /etc/default/geocoder-us by maintainer scripts
+
+# Set the location of the geocoder database.
+export GEOCODER_DB="/var/lib/geocoder-us/geocoder.db"