Add upload-image workflow

.github/workflows/upload-image.yml

@@ -0,0 +1,37 @@
+name: Push to ECR
+
+on:
+  push:
+    branches:
+      - main
+      - complete
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: read
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Configure AWS Credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          aws-region: ap-northeast-2
+          role-to-assume: arn:aws:iam::123456789100:role/my-github-actions-role
+
+      - name: Login to Amazon ECR
+        id: login-ecr
+        uses: aws-actions/amazon-ecr-login@v2
+
+      - name: Build, tag, and push docker image to Amazon ECR
+        env:
+          REGISTRY: ${{ steps.login-ecr.outputs.registry }}
+          REPOSITORY: github-actions-hands-on
+          IMAGE_TAG: ${{ github.sha }}
+        run: |
+          docker build -t $REGISTRY/$REPOSITORY:$IMAGE_TAG ./
+          docker push $REGISTRY/$REPOSITORY:$IMAGE_TAG