[Docker] 기초 사용법

docker images : 다운받은 이미지 리스트 조회

$ docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
redis               latest              7eed8df88d3b        13 days ago         98.2MB
postgres            latest              e2d75d1c1264        6 months ago        313MB
hello-world         latest              fce289e99eb9        14 months ago       1.84kB

 

docker ps  : 현재 구동중인 컨테이너 목록 조회

$ docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
97d88bffc173        redis               "docker-entrypoint.s…"   16 minutes ago      Up 16 minutes       0.0.0.0:6379->6379/tcp   redis_demoweb
e0236869b5a2        postgres            "docker-entrypoint.s…"   21 minutes ago      Up 21 minutes       0.0.0.0:5433->5432/tcp   postgres_deomoweb
eb7590b9ef65        postgres            "docker-entrypoint.s…"   5 months ago        Up 3 months         0.0.0.0:5432->5432/tcp   postgres_boot

 

docker ps -a : 생성된 모든 컨테이너 목록 조회

$ docker ps -a
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS                    PORTS                    NAMES
97d88bffc173        redis               "docker-entrypoint.s…"   19 minutes ago      Up 19 minutes             0.0.0.0:6379->6379/tcp   redis_demoweb
e0236869b5a2        postgres            "docker-entrypoint.s…"   24 minutes ago      Up 24 minutes             0.0.0.0:5433->5432/tcp   postgres_deomoweb
eb7590b9ef65        postgres            "docker-entrypoint.s…"   5 months ago        Up 3 months               0.0.0.0:5432->5432/tcp   postgres_boot
a89469733f9b        hello-world         "/hello"                 5 months ago        Exited (0) 5 months ago                            funny_engelbart

 

docker exec -it [컨테이너이름or컨테이너아이디] [명령어]

$ docker exec -it redis_demoweb /bin/bash
root@97d88bffc173:/data#


$ docker exec -it redis_demoweb redis-cli
127.0.0.1:6379> ping
PONG