Add basic info

practice/4.saving-data/1.hostpath/README.md

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+# Hostpath
+
+1) Применяем манифест
+
+```bash
+kubectl apply -f ~/slurm/practice/4.saving-data/1.hostpath/
+
+kubectl get pod
+kubectl get all
+kubectl describe replicaset <TAB>
+```

practice/4.saving-data/1.hostpath/deployment.yaml

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+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: my-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: my-app
+  strategy:
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 1
+    type: RollingUpdate
+  template:
+    metadata:
+      labels:
+        app: my-app
+    spec:
+      containers:
+      - image: nginx:1.12
+        name: nginx
+        ports:
+        - containerPort: 80
+        resources:
+          requests:
+            cpu: 50m
+            memory: 100Mi
+          limits:
+            cpu: 100m
+            memory: 100Mi
+        volumeMounts:
+        - name: data
+          mountPath: /files
+      volumes:
+      - name: data
+        hostPath:
+          path: /data_pod
+...