diff --git a/app/build.gradle b/app/build.gradle
index 5ac1d41..e7c9221 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -31,8 +31,8 @@ android {
         vectorDrawables {
             useSupportLibrary true
         }
+        // 各productFlavorsで共通のTokenを利用する想定
         buildConfigField("String", "GITHUB_ACCESS_TOKEN", "\"" + localProperties['GITHUB_ACCESS_TOKEN'] + "\"")
-        buildConfigField "String", "GITHUB_API_DOMAIN", "\"https://api.github.com\""
     }
 
     buildTypes {
@@ -60,6 +60,31 @@ android {
             excludes += '/META-INF/{AL2.0,LGPL2.1}'
         }
     }
+    flavorDimensions "version"
+    productFlavors {
+        development {
+            dimension "version"
+            buildConfigField "String", "GITHUB_API_DOMAIN", "\"https://api.github.com\""
+            applicationIdSuffix ".development"
+            versionNameSuffix "-development"
+        }
+        stub {
+            dimension "version"
+            buildConfigField "String", "GITHUB_API_DOMAIN", "\"https://api.github.com\""
+            applicationIdSuffix ".stub"
+            versionNameSuffix "-stub"
+        }
+        staging {
+            dimension "version"
+            buildConfigField "String", "GITHUB_API_DOMAIN", "\"https://api.github.com\""
+            applicationIdSuffix ".staging"
+            versionNameSuffix "-staging"
+        }
+        production {
+            dimension "version"
+            buildConfigField "String", "GITHUB_API_DOMAIN", "\"https://api.github.com\""
+        }
+    }
 }
 
 dependencies {
diff --git a/app/src/development/package-info.kt b/app/src/development/package-info.kt
new file mode 100644
index 0000000..530e61b
--- /dev/null
+++ b/app/src/development/package-info.kt
@@ -0,0 +1,3 @@
+/*
+ここに開発環境専用のコードを追加する
+ */
\ No newline at end of file
diff --git a/app/src/production/package-info.kt b/app/src/production/package-info.kt
new file mode 100644
index 0000000..7c3050e
--- /dev/null
+++ b/app/src/production/package-info.kt
@@ -0,0 +1,3 @@
+/*
+ここに本番環境専用のコードを追加する
+ */
\ No newline at end of file
diff --git a/app/src/staging/package-info.kt b/app/src/staging/package-info.kt
new file mode 100644
index 0000000..4b843d7
--- /dev/null
+++ b/app/src/staging/package-info.kt
@@ -0,0 +1,3 @@
+/*
+ここにステージング環境専用のコードを追加する
+ */
\ No newline at end of file
diff --git a/app/src/stub/package-info.kt b/app/src/stub/package-info.kt
new file mode 100644
index 0000000..8cd02c8
--- /dev/null
+++ b/app/src/stub/package-info.kt
@@ -0,0 +1,3 @@
+/*
+ここにスタブ環境専用のコードを追加する
+ */
\ No newline at end of file