diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 00000000..9d1758c3
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,45 @@
+name: Deploy to ECR
+# updated ECR Repo week3-1
+on: 
+  push:
+    branches: [ master ]
+
+jobs:
+  
+  build:
+    
+    name: Build Image
+    runs-on: ubuntu-latest
+
+   
+    steps:
+
+    - name: Check out code
+      uses: actions/checkout@v4
+
+    - name: Login to Amazon ECR
+      id: login-ecr
+      uses: aws-actions/amazon-ecr-login@v1
+      env:
+        AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+        AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+        AWS_SESSION_TOKEN: ${{ secrets.AWS_SESSION_TOKEN }}
+        AWS_REGION: us-east-1
+
+    - name: Build, test, tag, and push image to Amazon ECR
+      env:
+        ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
+        ECR_REPOSITORY: clo835-week3-1
+        IMAGE_TAG: v0.1
+      run: |
+        cd Chapter02/kubia/
+        ls -ltra
+        # Docker build command
+        docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG .
+        # Unit test
+        docker run -d -p 80:8080 --name nodeapp $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
+        docker ps
+        echo "Pause for 10 seconds to let container start"
+        sleep 10
+        curl localhost -vvv
+        docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG