1. ECR Repository 생성

aws ecr create-repository --repository-name next15-app

2. 로그인 토큰 가져와 Docker 로그인

aws ecr get-login-password --region ap-northeast-2 | docker login --username AWS --password-stdin <AWS_ACCOUNT_ID>.dkr.ecr.ap-northeast-2.amazonaws.com

3. 태그

docker tag next15-app:latest <AWS_ACCOUNT_ID>.dkr.ecr.ap-northeast-2.amazonaws.com/next15-app:latest

4. 푸시

docker push <AWS_ACCOUNT_ID>.dkr.ecr.ap-northeast-2.amazonaws.com/next15-app:latest