Make deployment.yaml compliant with security best practices

Author: jbiers

charts/rancher-backup/templates/deployment.yaml

@@ -36,6 +36,11 @@ spec:
       - name: {{ .Chart.Name }}
         image: {{ template "system_default_registry" . }}{{ .Values.image.repository }}:{{ .Values.image.tag }}
         imagePullPolicy: {{ default "Always" .Values.imagePullPolicy }}
+        securityContext:
+          allowPrivilegeEscalation: false
+          readOnlyRootFilesystem: true
+          runAsNonRoot: true
+          runAsUser: 1000
         ports:
         - containerPort: 8080
         args: