diff --git a/README.md b/README.md
index 6eb5220..d393077 100644
--- a/README.md
+++ b/README.md
@@ -22,3 +22,18 @@ You can use `Console.WriteLine` method to out put your results.
 ```cs
   Console.WriteLine("hoge")
 ```
+
+## Install External Libraries
+If you want to use external libraries, do the following:
+
+- Add the following lines to [build.sh](build.sh), before the `mcs` line  
+(You can have multiple libraries by adding more lines)
+
+```
+nuget [LibraryName]
+```
+
+You can add `-reference` option or some others, if these are required.
+
+If you need to define env var `MONO_PATH`, please define it on Track UI.  
+You can't define any environment variables in `build.sh`
diff --git a/README_ja.md b/README_ja.md
index 87ea584..700dd93 100644
--- a/README_ja.md
+++ b/README_ja.md
@@ -22,3 +22,18 @@ public class MainApp
 ```cs
   Console.WriteLine("hoge")
 ```
+
+## 外部ライブラリの追加方法
+外部ライブラリを使用する場合は以下の手順で実施してください。
+
+- [build.sh](build.sh)に以下の内容を `mcs` の前に追加  
+(複数のライブラリのインストールも行を追加していく事で可能です)
+
+```
+nuget [LibraryName]
+```
+
+必要に応じて`mcs`コマンドの`-reference`オプションを追加してください。
+
+環境変数`MONO_PATH`が必要な場合は、TrackのUIより環境変数を設定してください。  
+`build.sh`内でexportしても有効にはなりません。
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..5cfebb3
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+mcs src/*.cs -out:TheApp.exe
diff --git a/cli-template.yml b/cli-template.yml
index 7dbc6bc..036a030 100644
--- a/cli-template.yml
+++ b/cli-template.yml
@@ -1,7 +1,9 @@
 build:
-  - mcs src/*.cs -out:TheApp.exe
+  - sh build.sh
 files:
-  - .gitignore
+  - build.sh
   - src/MainApp.cs
 main: src/MainApp.cs
 command: mono TheApp.exe
+envConf:
+  imageName: "givery/track-mono-5.2"