Change directories when using su - -c to execute a command since you lose the current working directory

data/export/upstart/process.conf.erb

@@ -2,5 +2,4 @@ start on starting <%= app %>-<%= process.name %>
 stop on stopping <%= app %>-<%= process.name %>
 respawn
 
-chdir <%= engine.directory %>
+exec su - <%= user %> -c 'cd <%= engine.directory %>; export PORT=<%= port %>; <%= process.command %> >> <%= log_root %>/<%=process.name%>-<%=num%>.log 2>&1'
-exec su - <%= user %> -c 'export PORT=<%= port %>; <%= process.command %> >> <%= log_root %>/<%=process.name%>-<%=num%>.log 2>&1'