Docker container, image Image: a file used to execute code in a Docker container - image act as a set of instructions to build a Docker container. - application code, libraries, tools, dependencies들이 포함되어있음. - image가 도커 환경에서 deploy 되면, Docker container로써 실행가능하다. Docker container: virtualized runtime environment - underlying hardware에서 독립적으로 application을 create,run, deploy 하기 위해서 사용된다. docker-com..