config: ecr로 배포하도록 수정

Author: BHyeonKim

.github/workflows/deploy.yml

@@ -15,11 +15,13 @@ jobs:
       - name: Build image
         run: |
           docker build -t ${{secrets.DOCKER_USERNAME}}/reverseproxy:latest .
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3.4.0
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v4
         with:
-          username: ${{secrets.DOCKER_USERNAME}}
-          password: ${{secrets.DOCKER_TOKEN}}
+          role-to-assume: ${{ secrets.AWS_ROLE_TO_ASSUME }}
+          aws-region: ${{ secrets.AWS_REGION }}
+      - name: Login to Amazon ECR
+        uses: aws-actions/amazon-ecr-login@v2
       - name: Push image to Docker hub
         run: |
-          docker push ${{secrets.DOCKER_USERNAME}}/reverseproxy:latest
+          docker push ${{ secrets.AWS_ECR_LOADBALANCER_REPO }}