[IDLE-000] ecr repository CI 스크립트 내 명시적 지정

.github/workflows/dev-server-integrator.yaml

@@ -32,6 +32,7 @@ jobs:
           REPOSITORY: idle-ecr
           IMAGE_TAG: latest
         run: |
+          echo "REPOSITORY: $REPOSITORY"
           docker build -t $REGISTRY/$REGISTRY_ALIAS/$REPOSITORY:$IMAGE_TAG .
           docker push $REGISTRY/$REGISTRY_ALIAS/$REPOSITORY:$IMAGE_TAG
           echo "::set-output name=image::$REGISTRY/$REGISTRY_ALIAS/$REPOSITORY:$IMAGE_TAG"