diff --git a/.gitignore b/.gitignore
index 4bb993a..b7c2c85 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 *.dll
 *.so
 *.dylib
+app-*.yaml
 
 # Test binary, build with `go test -c`
 *.test
diff --git a/src/commenting/app/app.yaml.template b/src/commenting/app/app.yaml.template
new file mode 100644
index 0000000..dd5c639
--- /dev/null
+++ b/src/commenting/app/app.yaml.template
@@ -0,0 +1,21 @@
+application:
+runtime:
+api_version: go1.8
+version: 1
+module: commenting
+
+threadsafe: true
+
+handlers:
+  - url: /_ah/push-handlers/.*
+    script: main.APPLICATION
+    login: admin
+  - url: /.*
+    script: _go_app
+    secure: always
+
+env_variables:
+  APP_ID:
+  SERVICE_ACCOUNT_PATH:
+  IS_PRODUCTION:
+  GOOGLE_APPLICATION_CREDENTIALS:
diff --git a/src/notification/app/app-dev.yaml b/src/notification/app/app-dev.yaml
index 195581a..057e29a 100644
--- a/src/notification/app/app-dev.yaml
+++ b/src/notification/app/app-dev.yaml
@@ -19,3 +19,5 @@ env_variables:
   SERVICE_ACCOUNT_PATH: ./secrets/comment-api-dev-9162d86d5ce8.json
   IS_PRODUCTION: false
   GOOGLE_APPLICATION_CREDENTIALS: ./secrets/comment-api-dev-9162d86d5ce8.json
+  ADMIN_EMAIL: ikenox@gmail.com
+  SENDER_EMAIL: ikenox@gmail.com
diff --git a/src/notification/app/app-prod.yaml b/src/notification/app/app-prod.yaml
index 3da03d2..39ab897 100644
--- a/src/notification/app/app-prod.yaml
+++ b/src/notification/app/app-prod.yaml
@@ -19,3 +19,5 @@ env_variables:
   SERVICE_ACCOUNT_PATH: ./secrets/ikenox-info-comment-api-75b6f4b1fb2f.json
   IS_PRODUCTION: true
   GOOGLE_APPLICATION_CREDENTIALS: ./secrets/ikenox-info-comment-api-75b6f4b1fb2f.json
+  ADMIN_EMAIL: ikenox@gmail.com
+  SENDER_EMAIL: ikenox@gmail.com
diff --git a/src/notification/app/app.yaml.template b/src/notification/app/app.yaml.template
new file mode 100644
index 0000000..d06d932
--- /dev/null
+++ b/src/notification/app/app.yaml.template
@@ -0,0 +1,23 @@
+application:
+runtime: go
+api_version: go1.8
+version: 1
+module: notification
+
+threadsafe: true
+
+handlers:
+  - url: /_ah/push-handlers/.*
+    script: main.APPLICATION
+    login: admin
+  - url: /.*
+    script: _go_app
+    secure: always
+
+env_variables:
+  APP_ID:
+  SERVICE_ACCOUNT_PATH:
+  IS_PRODUCTION:
+  GOOGLE_APPLICATION_CREDENTIALS:
+  ADMIN_EMAIL:
+  SENDER_EMAIL:
diff --git a/src/notification/env/env.go b/src/notification/env/env.go
index 19ab59e..5ab05e4 100644
--- a/src/notification/env/env.go
+++ b/src/notification/env/env.go
@@ -1,28 +1,25 @@
 package env
 
 import (
-	"google.golang.org/api/option"
 	"os"
-	"path/filepath"
-	"time"
 )
 
 // application globals
 // アプリにとって普遍とみなせる値や関数、環境変数など？
 // どこからでも使われるような値や概念はRepositoryにするよりグローバル変数にしてしまったほうが楽そう
 var Namespace string
-var CurrentTime func() time.Time
 var IsProduction bool
-var GCPCredentialOption option.ClientOption
 var ProjectID string
+var AdminEmail string
+var SenderEmail string
 
 func init() {
 	ProjectID = os.Getenv("APP_ID")
 
 	IsProduction = os.Getenv("IS_PRODUCTION") == "True"
 
-	// time
-	CurrentTime = time.Now
+	AdminEmail = os.Getenv("ADMIN_EMAIL")
+	SenderEmail = os.Getenv("SENDER_EMAIL")
 
 	// namespace
 	if ns := os.Getenv("NAMESPACE"); ns != "" {
@@ -30,10 +27,4 @@ func init() {
 	} else {
 		Namespace = ""
 	}
-
-	path, err := filepath.Abs(os.Getenv("SERVICE_ACCOUNT_PATH"))
-	if err != nil {
-		panic(err.Error())
-	}
-	GCPCredentialOption = option.WithCredentialsFile(path)
 }
diff --git a/src/notification/usecase/admin.go b/src/notification/usecase/admin.go
index 6833296..6d86f3b 100644
--- a/src/notification/usecase/admin.go
+++ b/src/notification/usecase/admin.go
@@ -8,14 +8,12 @@ import (
 	"notification/env"
 )
 
-var systemAdmin = fmt.Sprintf("ikenox+%s@gmail.com", env.ProjectID)
-
 // TODO CleanArchitectureで書き直し
 // 現状だとtoo muchだけど、メールとかの送信部分はラップして共通化しておくべき
 func NotifyCommentPosted(ctx context.Context, commentId int64, pageId, name, text string) {
 	msg := &mail.Message{
-		Sender:   systemAdmin,
-		To:       []string{systemAdmin},
+		Sender:   env.SenderEmail,
+		To:       []string{env.AdminEmail},
 		Subject:  "コメントが投稿されました",
 		Body:     fmt.Sprintf("commentId:%dpageId:%s\nname:%s\ntext:%s\n", commentId, pageId, name, text),
 		HTMLBody: fmt.Sprintf("commentId:%dpageId:%s\nname:%s\ntext:%s\n", commentId, pageId, name, text),
@@ -28,8 +26,8 @@ func NotifyCommentPosted(ctx context.Context, commentId int64, pageId, name, tex
 
 func NotifyCommentDeleted(ctx context.Context, commentId int64, pageId, name, text string) {
 	msg := &mail.Message{
-		Sender:   systemAdmin,
-		To:       []string{systemAdmin},
+		Sender:   env.SenderEmail,
+		To:       []string{env.AdminEmail},
 		Subject:  "コメントが削除されました",
 		Body:     fmt.Sprintf("commentId:%dpageId:%s\nname:%s\ntext:%s\n", commentId, pageId, name, text),
 		HTMLBody: fmt.Sprintf("commentId:%dpageId:%s\nname:%s\ntext:%s\n", commentId, pageId, name, text),