diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9ebe02f..5f981a0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -3,7 +3,7 @@ name: Deploy to Google App Engine
 on:
   push:
       branches:
-          - master
+          - main
 jobs:
   deploy:
     environment: Dev Test
@@ -23,9 +23,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
+        
+      - name: Inject Environment Variables into app.yaml
+        run: |
+          sed -i 's|JWTKEY_PLACEHOLDER|${{ secrets.JWTKEY }}|' app.yaml
+          sed -i 's|MONGOCONNECTIONSTRING_PLACEHOLDER|${{ secrets.MONGOCONNECTIONSTRING }}|' app.yaml
+        
       - name: Deploy to Google App Engine
         run: |
-          gcloud app deploy --quiet \
-            --set-env-vars \
-            JWTKey=${{ secrets.JWTKEY }},\
-            MongoConnectionString=${{ secrets.MONGOCONNECTIONSTRING }}
+          gcloud app deploy
\ No newline at end of file
diff --git a/app.yaml b/app.yaml
index e53f1f0..e65f00b 100644
--- a/app.yaml
+++ b/app.yaml
@@ -1,2 +1,7 @@
 runtime: nodejs20
-env: standard
\ No newline at end of file
+env: standard
+
+
+env_variables:
+  JWTKey: JWTKEY_PLACEHOLDER
+  MongoConnectionString: MONGOCONNECTIONSTRING_PLACEHOLDER
\ No newline at end of file
diff --git a/src/app/app.ts b/src/app/app.ts
index 9aeb228..95bd541 100644
--- a/src/app/app.ts
+++ b/src/app/app.ts
@@ -45,3 +45,6 @@ const errorHandler: ErrorRequestHandler = (err: HttpError | Error, req: Request,
 };
 
 app.use(errorHandler);
+
+
+// test