sudo yum install docker -y
sudo service docker start
sudo usermod -a -G docker ec2-user
sudo chmod 666 /var/run/docker.sock

buildx 사용

docker buildx ls

docker buildx create --name skills-builder --use

docker buildx inspect --bootstrap

docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t test:latest .