ubuntu18.04 docker in ubuntu20.04

Ubuntu18.04 docker 환경에서 ROS 설치

Ubuntu 18.04 docker in Ubuntu 20.04 ROS 설치 (로컬 환경이신 분은 문서 그대로 따라치시면 됩니다.) -Ubuntu18.04 http://wiki.ros.org/melodic/Installation/Ubuntu melodic/Installation/Ubuntu - ROS Wiki We are building Debian packages for several Ubuntu platforms, listed below. These packages are more efficient than source-based builds and are our preferred installation method for Ubuntu. Note that there are also packages a..