added healthcheck for dspace container, addresses #53

kubernetes/dspace-deployment.yaml

@@ -62,6 +62,15 @@ spec:
         volumeMounts:
         - mountPath: /opt/lindat-dspace/installation/assetstore
           name: dspace-assetstore
+        livenessProbe:
+          httpGet:
+            host: clarin-dev.eurac.edu
+            path: /repository/xmlui/
+            port: 443
+            scheme: HTTPS
+          initialDelaySeconds: 90
+          periodSeconds: 15
+          timeoutSeconds: 3
       restartPolicy: Always
       imagePullSecrets:
         - name: gitlab-scientificnet-org-registry