diff --git a/scripts/build/darwin.sh b/scripts/build/darwin.sh
index a0568727..c6d1f99c 100755
--- a/scripts/build/darwin.sh
+++ b/scripts/build/darwin.sh
@@ -66,22 +66,36 @@ if [ "$COMMAND" == "develop-electron" ]; then
 fi
 
 if [ "$COMMAND" == "installer-dmg" ]; then
+  ./scripts/unix/create-electron-app.sh \
+    -s . \
+    -f "lib,build,assets" \
+    -o "etcher-release/app"
+
   ./scripts/unix/dependencies.sh -p \
     -r x64 \
     -v "$ELECTRON_VERSION" \
+    -x "etcher-release/app" \
     -t electron
 
-  ./scripts/darwin/package.sh \
-    -n $APPLICATION_NAME \
+  ./scripts/unix/create-asar.sh \
+    -d "etcher-release/app" \
+    -o "etcher-release/app.asar"
+
+  ./scripts/unix/download-electron.sh \
     -r x64 \
+    -v "$ELECTRON_VERSION" \
+    -s darwin \
+    -o etcher-release/$APPLICATION_NAME-darwin-x64
+
+  ./scripts/darwin/configure-electron.sh \
+    -d etcher-release/$APPLICATION_NAME-darwin-x64 \
+    -n $APPLICATION_NAME \
     -v $APPLICATION_VERSION \
     -b io.resin.etcher \
     -c "$APPLICATION_COPYRIGHT" \
     -t public.app-category.developer-tools \
-    -f "package.json,lib,node_modules,bower_components,build,assets" \
-    -i assets/icon.icns \
-    -e $ELECTRON_VERSION \
-    -o etcher-release/$APPLICATION_NAME-darwin-x64
+    -a "etcher-release/app.asar" \
+    -i assets/icon.icns
 
   ./scripts/darwin/installer-dmg.sh \
     -n $APPLICATION_NAME \
@@ -96,22 +110,36 @@ if [ "$COMMAND" == "installer-dmg" ]; then
 fi
 
 if [ "$COMMAND" == "installer-zip" ]; then
+  ./scripts/unix/create-electron-app.sh \
+    -s . \
+    -f "lib,build,assets" \
+    -o "etcher-release/app"
+
   ./scripts/unix/dependencies.sh -p \
     -r x64 \
     -v "$ELECTRON_VERSION" \
+    -x "etcher-release/app" \
     -t electron
 
-  ./scripts/darwin/package.sh \
-    -n $APPLICATION_NAME \
+  ./scripts/unix/create-asar.sh \
+    -d "etcher-release/app" \
+    -o "etcher-release/app.asar"
+
+  ./scripts/unix/download-electron.sh \
     -r x64 \
+    -v "$ELECTRON_VERSION" \
+    -s darwin \
+    -o etcher-release/$APPLICATION_NAME-darwin-x64
+
+  ./scripts/darwin/configure-electron.sh \
+    -d etcher-release/$APPLICATION_NAME-darwin-x64 \
+    -n $APPLICATION_NAME \
     -v $APPLICATION_VERSION \
     -b io.resin.etcher \
     -c "$APPLICATION_COPYRIGHT" \
     -t public.app-category.developer-tools \
-    -f "package.json,lib,node_modules,bower_components,build,assets" \
-    -i assets/icon.icns \
-    -e $ELECTRON_VERSION \
-    -o etcher-release/$APPLICATION_NAME-darwin-x64
+    -a "etcher-release/app.asar" \
+    -i assets/icon.icns
 
   ./scripts/darwin/sign.sh \
     -a etcher-release/$APPLICATION_NAME-darwin-x64/$APPLICATION_NAME.app \
diff --git a/scripts/build/linux.sh b/scripts/build/linux.sh
index 6c450aae..70e83968 100755
--- a/scripts/build/linux.sh
+++ b/scripts/build/linux.sh
@@ -86,19 +86,33 @@ if [ "$COMMAND" == "installer-cli" ]; then
 fi
 
 if [ "$COMMAND" == "installer-debian" ]; then
+  ./scripts/unix/create-electron-app.sh \
+    -s . \
+    -f "lib,build,assets" \
+    -o "etcher-release/app"
+
   ./scripts/unix/dependencies.sh -p \
     -r "$ARCH" \
     -v "$ELECTRON_VERSION" \
+    -x "etcher-release/app" \
     -t electron
 
-  ./scripts/linux/package.sh \
-    -n "$APPLICATION_NAME" \
+  ./scripts/unix/create-asar.sh \
+    -d "etcher-release/app" \
+    -o "etcher-release/app.asar"
+
+  ./scripts/unix/download-electron.sh \
     -r "$ARCH" \
+    -v "$ELECTRON_VERSION" \
+    -s linux \
+    -o "etcher-release/$APPLICATION_NAME-linux-$ARCH"
+
+  ./scripts/linux/configure-electron.sh \
+    -d etcher-release/$APPLICATION_NAME-linux-$ARCH \
+    -n "$APPLICATION_NAME" \
     -v "$APPLICATION_VERSION" \
     -l LICENSE \
-    -f "package.json,lib,node_modules,bower_components,build,assets" \
-    -e "$ELECTRON_VERSION" \
-    -o etcher-release/$APPLICATION_NAME-linux-$ARCH
+    -a "etcher-release/app.asar"
 
   ./scripts/linux/installer-deb.sh \
     -p etcher-release/$APPLICATION_NAME-linux-$ARCH \
@@ -112,19 +126,33 @@ fi
 if [ "$COMMAND" == "installer-appimage" ]; then
   check_dep zip
 
+  ./scripts/unix/create-electron-app.sh \
+    -s . \
+    -f "lib,build,assets" \
+    -o "etcher-release/app"
+
   ./scripts/unix/dependencies.sh -p \
     -r "$ARCH" \
     -v "$ELECTRON_VERSION" \
+    -x "etcher-release/app" \
     -t electron
 
-  ./scripts/linux/package.sh \
-    -n "$APPLICATION_NAME" \
+  ./scripts/unix/create-asar.sh \
+    -d "etcher-release/app" \
+    -o "etcher-release/app.asar"
+
+  ./scripts/unix/download-electron.sh \
     -r "$ARCH" \
+    -v "$ELECTRON_VERSION" \
+    -s linux \
+    -o "etcher-release/$APPLICATION_NAME-linux-$ARCH"
+
+  ./scripts/linux/configure-electron.sh \
+    -d etcher-release/$APPLICATION_NAME-linux-$ARCH \
+    -n "$APPLICATION_NAME" \
     -v "$APPLICATION_VERSION" \
     -l LICENSE \
-    -f "package.json,lib,node_modules,bower_components,build,assets" \
-    -e "$ELECTRON_VERSION" \
-    -o etcher-release/$APPLICATION_NAME-linux-$ARCH
+    -a "etcher-release/app.asar"
 
   ./scripts/linux/installer-appimage.sh \
     -n "$APPLICATION_NAME" \
diff --git a/scripts/darwin/package.sh b/scripts/darwin/configure-electron.sh
similarity index 80%
rename from scripts/darwin/package.sh
rename to scripts/darwin/configure-electron.sh
index 64a6f289..5c8c9586 100755
--- a/scripts/darwin/package.sh
+++ b/scripts/darwin/configure-electron.sh
@@ -39,73 +39,59 @@ function usage() {
   echo ""
   echo "Options"
   echo ""
+  echo "    -d <electron directory>"
   echo "    -n <application name>"
-  echo "    -r <application architecture>"
   echo "    -v <application version>"
   echo "    -b <application bundle id>"
   echo "    -c <application copyright>"
   echo "    -t <application category>"
-  echo "    -f <application files (comma separated)>"
+  echo "    -a <application asar (.asar)>"
   echo "    -i <application icon (.icns)>"
-  echo "    -e <electron version>"
-  echo "    -o <output>"
   exit 0
 }
 
+ARGV_ELECTRON_DIRECTORY=""
 ARGV_APPLICATION_NAME=""
-ARGV_ARCHITECTURE=""
 ARGV_VERSION=""
 ARGV_BUNDLE_ID=""
 ARGV_COPYRIGHT=""
 ARGV_CATEGORY=""
-ARGV_FILES=""
+ARGV_ASAR=""
 ARGV_ICON=""
-ARGV_ELECTRON_VERSION=""
-ARGV_OUTPUT=""
 
-while getopts ":n:r:v:b:c:t:f:i:e:o:" option; do
+while getopts ":d:n:v:b:c:t:a:i:" option; do
   case $option in
+    d) ARGV_ELECTRON_DIRECTORY="$OPTARG" ;;
     n) ARGV_APPLICATION_NAME="$OPTARG" ;;
-    r) ARGV_ARCHITECTURE="$OPTARG" ;;
     v) ARGV_VERSION="$OPTARG" ;;
     b) ARGV_BUNDLE_ID="$OPTARG" ;;
     c) ARGV_COPYRIGHT="$OPTARG" ;;
     t) ARGV_CATEGORY="$OPTARG" ;;
-    f) ARGV_FILES="$OPTARG" ;;
+    a) ARGV_ASAR="$OPTARG" ;;
     i) ARGV_ICON="$OPTARG" ;;
-    e) ARGV_ELECTRON_VERSION="$OPTARG" ;;
-    o) ARGV_OUTPUT="$OPTARG" ;;
     *) usage ;;
   esac
 done
 
-if [ -z "$ARGV_APPLICATION_NAME" ] \
-  || [ -z "$ARGV_ARCHITECTURE" ] \
+if [ -z "$ARGV_ELECTRON_DIRECTORY" ] \
+  || [ -z "$ARGV_APPLICATION_NAME" ] \
   || [ -z "$ARGV_VERSION" ] \
   || [ -z "$ARGV_BUNDLE_ID" ] \
   || [ -z "$ARGV_COPYRIGHT" ] \
   || [ -z "$ARGV_CATEGORY" ] \
-  || [ -z "$ARGV_FILES" ] \
-  || [ -z "$ARGV_ICON" ] \
-  || [ -z "$ARGV_ELECTRON_VERSION" ] \
-  || [ -z "$ARGV_OUTPUT" ]
+  || [ -z "$ARGV_ASAR" ] \
+  || [ -z "$ARGV_ICON" ]
 then
   usage
 fi
 
-./scripts/unix/download-electron.sh \
-  -r "$ARGV_ARCHITECTURE" \
-  -v "$ARGV_ELECTRON_VERSION" \
-  -s darwin \
-  -o "$ARGV_OUTPUT"
-
-APPLICATION_OUTPUT="$ARGV_OUTPUT/$ARGV_APPLICATION_NAME.app"
-mv "$ARGV_OUTPUT/Electron.app" "$APPLICATION_OUTPUT"
+APPLICATION_OUTPUT="$ARGV_ELECTRON_DIRECTORY/$ARGV_APPLICATION_NAME.app"
+mv "$ARGV_ELECTRON_DIRECTORY/Electron.app" "$APPLICATION_OUTPUT"
 rm "$APPLICATION_OUTPUT/Contents/Resources/default_app.asar"
 
 # Don't include these for now
-rm -f "$ARGV_OUTPUT"/LICENSE*
-rm -f "$ARGV_OUTPUT/version"
+rm -f "$ARGV_ELECTRON_DIRECTORY"/LICENSE*
+rm -f "$ARGV_ELECTRON_DIRECTORY/version"
 
 function plist_set() {
   local plist_file=$1
@@ -153,6 +139,8 @@ for id in EH NP; do
     "$APPLICATION_OUTPUT/Contents/Frameworks/$ARGV_APPLICATION_NAME Helper $id.app"
 done
 
-./scripts/unix/create-asar.sh \
-  -f "$ARGV_FILES" \
-  -o "$APPLICATION_OUTPUT/Contents/Resources/app.asar"
+cp "$ARGV_ASAR" "$APPLICATION_OUTPUT/Contents/Resources/app.asar"
+
+if [ -d "$ARGV_ASAR.unpacked" ]; then
+  cp -rf "$ARGV_ASAR.unpacked" "$APPLICATION_OUTPUT/Contents/Resources/app.asar.unpacked"
+fi
diff --git a/scripts/linux/package.sh b/scripts/linux/configure-electron.sh
similarity index 56%
rename from scripts/linux/package.sh
rename to scripts/linux/configure-electron.sh
index aa695339..c34c96df 100755
--- a/scripts/linux/package.sh
+++ b/scripts/linux/configure-electron.sh
@@ -37,59 +37,47 @@ function usage() {
   echo ""
   echo "Options"
   echo ""
+  echo "    -d <electron directory>"
   echo "    -n <application name>"
-  echo "    -r <application architecture>"
   echo "    -v <application version>"
   echo "    -l <application license file>"
-  echo "    -f <application files (comma separated)>"
-  echo "    -e <electron version>"
-  echo "    -o <output>"
+  echo "    -a <application asar (.asar)>"
   exit 0
 }
 
+ARGV_ELECTRON_DIRECTORY=""
 ARGV_APPLICATION_NAME=""
-ARGV_ARCHITECTURE=""
 ARGV_VERSION=""
 ARGV_LICENSE=""
-ARGV_FILES=""
-ARGV_ELECTRON_VERSION=""
-ARGV_OUTPUT=""
+ARGV_ASAR=""
 
-while getopts ":n:r:v:l:f:e:o:" option; do
+while getopts ":d:n:v:l:a:" option; do
   case $option in
+    d) ARGV_ELECTRON_DIRECTORY="$OPTARG" ;;
     n) ARGV_APPLICATION_NAME="$OPTARG" ;;
-    r) ARGV_ARCHITECTURE="$OPTARG" ;;
     v) ARGV_VERSION="$OPTARG" ;;
     l) ARGV_LICENSE="$OPTARG" ;;
-    f) ARGV_FILES="$OPTARG" ;;
-    e) ARGV_ELECTRON_VERSION="$OPTARG" ;;
-    o) ARGV_OUTPUT="$OPTARG" ;;
+    a) ARGV_ASAR="$OPTARG" ;;
     *) usage ;;
   esac
 done
 
-if [ -z "$ARGV_APPLICATION_NAME" ] \
-  || [ -z "$ARGV_ARCHITECTURE" ] \
+if [ -z "$ARGV_ELECTRON_DIRECTORY" ] \
+  || [ -z "$ARGV_APPLICATION_NAME" ] \
   || [ -z "$ARGV_VERSION" ] \
   || [ -z "$ARGV_LICENSE" ] \
-  || [ -z "$ARGV_FILES" ] \
-  || [ -z "$ARGV_ELECTRON_VERSION" ] \
-  || [ -z "$ARGV_OUTPUT" ]
+  || [ -z "$ARGV_ASAR" ]
 then
   usage
 fi
 
-./scripts/unix/download-electron.sh \
-  -r "$ARGV_ARCHITECTURE" \
-  -v "$ARGV_ELECTRON_VERSION" \
-  -s linux \
-  -o "$ARGV_OUTPUT"
+mv $ARGV_ELECTRON_DIRECTORY/electron $ARGV_ELECTRON_DIRECTORY/$(echo "$ARGV_APPLICATION_NAME" | tr '[:upper:]' '[:lower:]')
+cp $ARGV_LICENSE $ARGV_ELECTRON_DIRECTORY/LICENSE
+echo "$ARGV_VERSION" > $ARGV_ELECTRON_DIRECTORY/version
+rm $ARGV_ELECTRON_DIRECTORY/resources/default_app.asar
 
-mv $ARGV_OUTPUT/electron $ARGV_OUTPUT/$(echo "$ARGV_APPLICATION_NAME" | tr '[:upper:]' '[:lower:]')
-cp $ARGV_LICENSE $ARGV_OUTPUT/LICENSE
-echo "$ARGV_VERSION" > $ARGV_OUTPUT/version
-rm $ARGV_OUTPUT/resources/default_app.asar
+cp "$ARGV_ASAR" "$ARGV_ELECTRON_DIRECTORY/resources/app.asar"
 
-./scripts/unix/create-asar.sh \
-  -f "$ARGV_FILES" \
-  -o "$ARGV_OUTPUT/resources/app.asar"
+if [ -d "$ARGV_ASAR.unpacked" ]; then
+  cp -rf "$ARGV_ASAR.unpacked" "$ARGV_ELECTRON_DIRECTORY/resources/app.asar.unpacked"
+fi
diff --git a/scripts/unix/create-asar.sh b/scripts/unix/create-asar.sh
index 28688454..2a225c21 100755
--- a/scripts/unix/create-asar.sh
+++ b/scripts/unix/create-asar.sh
@@ -33,34 +33,25 @@ function usage() {
   echo ""
   echo "Options"
   echo ""
-  echo "    -f <files (comma separated)>"
+  echo "    -d <directory>"
   echo "    -o <output>"
   exit 0
 }
 
-ARGV_FILES=""
+ARGV_DIRECTORY=""
 ARGV_OUTPUT=""
 
-while getopts ":f:o:" option; do
+while getopts ":d:o:" option; do
   case $option in
-    f) ARGV_FILES=$OPTARG ;;
+    d) ARGV_DIRECTORY=$OPTARG ;;
     o) ARGV_OUTPUT=$OPTARG ;;
     *) usage ;;
   esac
 done
 
-if [ -z "$ARGV_FILES" ] || [ -z "$ARGV_OUTPUT" ]; then
+if [ -z "$ARGV_DIRECTORY" ] || [ -z "$ARGV_OUTPUT" ]; then
   usage
 fi
 
-TEMPORAL_DIRECTORY="$ARGV_OUTPUT.tmp"
-rm -rf "$TEMPORAL_DIRECTORY"
-mkdir -p "$TEMPORAL_DIRECTORY"
-
-for file in $(echo "$ARGV_FILES" | sed "s/,/ /g"); do
-  cp -rf "$file" "$TEMPORAL_DIRECTORY"
-done
-
 mkdir -p $(dirname "$ARGV_OUTPUT")
-asar pack "$TEMPORAL_DIRECTORY" "$ARGV_OUTPUT" --unpack *.node
-rm -rf "$TEMPORAL_DIRECTORY"
+asar pack "$ARGV_DIRECTORY" "$ARGV_OUTPUT" --unpack *.node
diff --git a/scripts/unix/create-electron-app.sh b/scripts/unix/create-electron-app.sh
new file mode 100755
index 00000000..eaeed0c3
--- /dev/null
+++ b/scripts/unix/create-electron-app.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+
+###
+# Copyright 2016 resin.io
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+###
+
+set -u
+set -e
+
+function usage() {
+  echo "Usage: $0"
+  echo ""
+  echo "Options"
+  echo ""
+  echo "    -s <source directory>"
+  echo "    -f <extra files (comma separated)>"
+  echo "    -o <output>"
+  exit 0
+}
+
+ARGV_SOURCE_DIRECTORY=""
+ARGV_FILES=""
+ARGV_OUTPUT=""
+
+while getopts ":s:f:o:" option; do
+  case $option in
+    s) ARGV_SOURCE_DIRECTORY=$OPTARG ;;
+    f) ARGV_FILES=$OPTARG ;;
+    o) ARGV_OUTPUT=$OPTARG ;;
+    *) usage ;;
+  esac
+done
+
+if [ -z "$ARGV_SOURCE_DIRECTORY" ] ||
+   [ -z "$ARGV_FILES" ] || \
+   [ -z "$ARGV_OUTPUT" ]; then
+  usage
+fi
+
+mkdir -p "$ARGV_OUTPUT"
+
+function copy_file_if_it_exists() {
+  local file=$1
+
+  if [ -f "$ARGV_SOURCE_DIRECTORY/$file" ]; then
+    cp "$ARGV_SOURCE_DIRECTORY/$file" "$ARGV_OUTPUT"
+  fi
+}
+
+copy_file_if_it_exists "package.json"
+copy_file_if_it_exists "npm-shrinkwrap.json"
+copy_file_if_it_exists "bower.json"
+
+for file in $(echo "$ARGV_FILES" | sed "s/,/ /g"); do
+  cp -rf "$file" "$ARGV_OUTPUT"
+done
diff --git a/scripts/unix/dependencies.sh b/scripts/unix/dependencies.sh
index 51b761f9..5c16b30b 100755
--- a/scripts/unix/dependencies.sh
+++ b/scripts/unix/dependencies.sh
@@ -38,6 +38,7 @@ function usage() {
   echo "    -r <architecture>"
   echo "    -v <target version>"
   echo "    -t <target platform (node|electron)>"
+  echo "    -x <install prefix>"
   echo "    -f force install"
   echo "    -p production install"
   exit 0
@@ -46,14 +47,16 @@ function usage() {
 ARGV_ARCHITECTURE=""
 ARGV_TARGET_VERSION=""
 ARGV_TARGET_PLATFORM=""
+ARGV_PREFIX=""
 ARGV_FORCE=false
 ARGV_PRODUCTION=false
 
-while getopts ":r:v:t:fp" option; do
+while getopts ":r:v:t:x:fp" option; do
   case $option in
     r) ARGV_ARCHITECTURE=$OPTARG ;;
     v) ARGV_TARGET_VERSION=$OPTARG ;;
     t) ARGV_TARGET_PLATFORM=$OPTARG ;;
+    x) ARGV_PREFIX=$OPTARG ;;
     f) ARGV_FORCE=true ;;
     p) ARGV_PRODUCTION=true ;;
     *) usage ;;
@@ -84,8 +87,6 @@ else
   export npm_config_arch=$ARGV_ARCHITECTURE
 fi
 
-rm -rf node_modules
-
 NPM_INSTALL_OPTS="--build-from-source"
 
 if [ "$ARGV_FORCE" == "true" ]; then
@@ -96,9 +97,25 @@ if [ "$ARGV_PRODUCTION" == "true" ]; then
   NPM_INSTALL_OPTS="$NPM_INSTALL_OPTS --production"
 fi
 
+if [ -n "$ARGV_PREFIX" ]; then
+  NPM_INSTALL_OPTS="$NPM_INSTALL_OPTS --prefix=$ARGV_PREFIX"
+fi
+
 npm install $NPM_INSTALL_OPTS
 
-if [ "$ARGV_TARGET_PLATFORM" == "electron" ]; then
-  rm -rf bower_components
-  bower install --production --allow-root
+# Using `--prefix` might cause npm to create an empty `etc` directory
+if [ -n "$ARGV_PREFIX" ] && [ ! "$(ls -A "$ARGV_PREFIX/etc")" ]; then
+  rm -rf "$ARGV_PREFIX/etc"
+fi
+
+if [ "$ARGV_TARGET_PLATFORM" == "electron" ]; then
+  BOWER_INSTALL_OPTS="--production --allow-root"
+
+  if [ -n "$ARGV_PREFIX" ]; then
+    pushd "$ARGV_PREFIX"
+    bower install $BOWER_INSTALL_OPTS
+    popd
+  fi
+
+  bower install $BOWER_INSTALL_OPTS
 fi