서로 다른 컨테이너 끼리는 Network로 이어져야 한다.CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES0a8d97dab6ea my-gin-app "./main" 2 minutes ago Up 2 minutes 0.0.0.0:8080->8080/tcp, :::8080->8080/tcp gin-container3e1d890b0212 redis "docker-entrypoint.s…" 21 minute..