diff --git a/bundle.py b/build/bundle.py
similarity index 72%
rename from bundle.py
rename to build/bundle.py
index fc6e83b..8cc2af1 100644
--- a/bundle.py
+++ b/build/bundle.py
@@ -3,6 +3,9 @@ import json
 import os
 import sys
 
+path_prefix = "./_minified/"
+
+# recursively encode files with base64
 def encode_recursive(path):
     list = {}
 
@@ -18,11 +21,12 @@ def encode_recursive(path):
 
     return list
 
+# encode listed files with base64
 def encode_files(files):
     list = {}
 
     for item in files:
-        item_path = './' + item
+        item_path = path_prefix + './' + item
 
         handle = open(item_path, 'r')
         list[item] = base64.b64encode(bytes(handle.read(), 'UTF-8')).decode('ASCII')
@@ -30,19 +34,20 @@ def encode_files(files):
 
     return list
 
+# file manifest (reflects imgen.py)
 manifest = {
     "files" : {
         # common files
         "system" : encode_files([ "initenv.lua", "startup.lua", "configure.lua", "LICENSE" ]),
-        "common" : encode_recursive("./scada-common"),
-        "graphics" : encode_recursive("./graphics"),
-        "lockbox" : encode_recursive("./lockbox"),
+        "common" : encode_recursive(path_prefix + "./scada-common"),
+        "graphics" : encode_recursive(path_prefix + "./graphics"),
+        "lockbox" : encode_recursive(path_prefix + "./lockbox"),
         # platform files
-        "reactor-plc" : encode_recursive("./reactor-plc"),
-        "rtu" : encode_recursive("./rtu"),
-        "supervisor" : encode_recursive("./supervisor"),
-        "coordinator" : encode_recursive("./coordinator"),
-        "pocket" : encode_recursive("./pocket"),
+        "reactor-plc" : encode_recursive(path_prefix + "./reactor-plc"),
+        "rtu" : encode_recursive(path_prefix + "./rtu"),
+        "supervisor" : encode_recursive(path_prefix + "./supervisor"),
+        "coordinator" : encode_recursive(path_prefix + "./coordinator"),
+        "pocket" : encode_recursive(path_prefix + "./pocket"),
     },
     "depends" : {
         "reactor-plc" : [ "reactor-plc", "system", "common", "graphics", "lockbox" ],
@@ -53,6 +58,7 @@ manifest = {
     }
 }
 
+# write the application installation items as Lua tables
 def write_items(body, items, indent):
     indent_str = " " * indent
     for key, value in items.items():
@@ -66,6 +72,7 @@ def write_items(body, items, indent):
     return body
 
 
+
 for app in [ "reactor-plc", "rtu", "supervisor", "coordinator", "pocket" ]:
     f = open("_" + app + ".lua", "w")
     body = "local application = {\n"