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   | apiVersion: extensions/v1beta1    kind: Deployment                  metadata:   name: cango-demo                  namespace: cango-prd              labels:     app: cango-demo               spec:   replicas: 3   strategy:     rollingUpdate:         maxSurge: 1             maxUnavailable: 1    template:              metadata:       labels:         app: cango-demo       sepc:        containers:                                                                            - name: cango-demo                                                                       image: swr.cn-east-2.myhuaweicloud.com/cango-prd/cango-demo:0.0.1-SNAPSHOT            command: [ "/bin/sh","-c","cat /etc/config/path/to/special-key" ]               args:                                                                             - '-storage.local.retention=$(STORAGE_RETENTION)'             - '-storage.local.memory-chunks=$(STORAGE_MEMORY_CHUNKS)'             - '-config.file=/etc/prometheus/prometheus.yml'             - '-alertmanager.url=http://alertmanager:9093/alertmanager'             - '-web.external-url=$(EXTERNAL_URL)'                               imagePullPolicy: IfNotPresent             livenessProbe:                    httpGet:               path: /health                port: 8080               scheme: HTTP             initialDelaySeconds: 60              timeoutSeconds: 5             successThreshold: 1             failureThreshold: 5           readinessProbe:             httpGet:               path: /health                port: 8080               scheme: HTTP             initialDelaySeconds: 30              timeoutSeconds: 5             successThreshold: 1             failureThreshold: 5           resources:                           requests:                            cpu: 2               memory: 2048Mi             limits:                             cpu: 2               memory: 2048Mi           env:                                 - name: LOCAL_KEY                    value: value             - name: CONFIG_MAP_KEY                 valueFrom:                 configMapKeyRef:                   name: special-config                      key: special.type                 ports:             - name: http               containerPort: 8080            volumeMounts:                - name: log-cache             mount: /tmp/log           - name: sdb                    mountPath: /data/media               - name: nfs-client-root                 mountPath: /mnt/nfs           - name: example-volume-config               mountPath: /etc/config                  - name: rbd-pvc                  
    volumes:     - name: log-cache     emptyDir: {}   - name: sdb       hostPath:       path: /any/path/it/will/be/replaced   - name: example-volume-config       configMap:       name: example-volume-config         items:       - key: log-script                    path: path/to/log-script         - key: backup-script                 path: path/to/backup-script     - name: nfs-client-root              nfs:       server: 10.42.0.55                 path: /opt/public              - name: rbd-pvc                      persistentVolumeClaim:       claimName: rbd-pvc1         
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