some changes

config/unicorn.rb

@@ -0,0 +1,45 @@
+# config/unicorn.rb
+
+worker_processes Integer(ENV["WEB_CONCURRENCY"] || 5)
+timeout 60
+preload_app true
+listen "/var/run/fetsite.sock"
+stderr_path "/var/log/unicorn.log"
+stdout_path "/var/log/unicorn.log"
+
+before_fork do |server, worker|
+  Signal.trap 'TERM' do
+    puts 'Unicorn master intercepting TERM and sending myself QUIT instead'
+    Process.kill 'QUIT', Process.pid
+  end
+
+  defined?(ActiveRecord::Base) and
+    ActiveRecord::Base.connection.disconnect!
+end
+
+after_fork do |server, worker|
+  Signal.trap 'TERM' do
+    puts 'Unicorn worker intercepting TERM and doing nothing. Wait for master to send QUIT'
+  end
+
+  defined?(ActiveRecord::Base) and
+    ActiveRecord::Base.establish_connection
+  begin
+    uid, gid = Process.euid, Process.egid
+    user, group = 'fetsite', 'nogroup'
+    target_uid = Etc.getpwnam(user).uid
+    target_gid = Etc.getgrnam(group).gid
+    worker.tmp.chown(target_uid, target_gid)
+    if uid != target_uid || gid != target_gid
+      Process.initgroups(user, target_gid)
+      Process::GID.change_privilege(target_gid)
+      Process::UID.change_privilege(target_uid)
+    end
+  rescue => e
+    if RAILS_ENV == 'development'
+      STDERR.puts "couldn't change user, oh well"
+    else
+      raise e
+    end
+  end
+end