설치 환경CentOS7 Version과 CentOS8 Version 설치 시 차이가 존재. 7번전에는 yum 명령어를 통해 Docker Package가 검색 되지만, 8버전은 되지 않음.참고 링크 주소CentOS7 : https://docs.docker.com/engine/install/centos/#prerequisites Install Docker Engine on CentOSLearn how to install Docker Engine on CentOS. These instructions cover the different installation methods, how to uninstall, and next steps.docs.docker.comCentOS8 : https://reddb.tisto..