update helm chart + development machine instructions

helm/templates/MQTT/pvc.yml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: mosquitto-pvc
+spec:
+  accessModes:
+  - ReadWriteOnce
+  storageClassName: microk8s-hostpath
+  resources:
+    requests:
+      storage: 1Gi
+

helm/templates/MQTT/statefulset.yml

@@ -0,0 +1,28 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: mosquitto
+spec:
+  serviceName: mosquitto
+  selector:
+    matchLabels:
+      app: mosquitto
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: mosquitto
+    spec:
+      containers:
+        - name: mosquitto
+          image: eclipse-mosquitto
+          imagePullPolicy: "IfNotPresent"
+          ports:
+            - containerPort: 5432
+          volumeMounts:
+          - name: mosquitto-data
+            mountPath: /mosquitto/data
+      volumes:
+      - name: mosquitto-data
+        persistentVolumeClaim:
+          claimName: mosquitto-pvc