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5장 Volume에 emptyDir 예제 수정 요청

# volume-empty.yaml
apiVersion: v1
kind: Pod
metadata:
  name: volume-empty
  labels:
    name: volume-empty
spec:
  containers:
  - name: nginx
    image: nginx
    volumeMounts: # 컨테이너 내부의 연결 위치 지정
    - name: shared-storage
      mountPath: /container-volume
  - name: redis
    image: redis
    volumeMounts:
    - name: shared-storage
      mountPath: /container-volume
  volumes: 
  - name: shared-storage
    emptyDir: {}

# pod 내부의 컨테이너간 공유 디렉토리 pod 생성
$ kubectl apply -f volume-empty.yaml
# pod/volume-empty created

# pod 내부의 각각의 컨테이너에 접근하기
$ kubectl exec -it volume-empty --container nginx -- bash
# root@volume-empty:/$ cd /container-volume/
# root@volume-empty:/container-volume$ touch volume.txt
# root@volume-empty:/container-volume# ls -al
# total 8
# drwxrwxrwx 2 root root 4096 Oct 22 09:59 .
# drwxr-xr-x 1 root root 4096 Oct 22 09:55 ..
# -rw-r--r-- 1 root root    0 Oct 22 09:59 volume.txt

# 다른 컨테이너에서 내용 확인
$ kubectl exec -it volume-empty --container redis -- bash
# root@volume-empty:/data# ls -al /container-volume/
# total 8
# drwxrwxrwx 2 root root 4096 Oct 22 09:59 .
# drwxr-xr-x 1 root root 4096 Oct 22 09:55 ..
# -rw-r--r-- 1 root root    0 Oct 22 09:59 volume.txt

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