Use exec probe for health checks instead of HTTP probe

The /api/health endpoint returns 403 when accessed externally but works from localhost. Changed readiness and liveness probes to use exec with wget from inside the container to work around this restriction.

Resolves: DEV-387

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/paperclip/deployment.yaml

@@ -84,18 +84,28 @@ spec:
         - name: data
           mountPath: /paperclip
         readinessProbe:
-          httpGet:
-            path: /api/health
-            port: 3100
+          exec:
+            command:
+            - wget
+            - --quiet
+            - --tries=1
+            - --timeout=3
+            - --spider
+            - http://localhost:3100/api/health
           initialDelaySeconds: 20
           periodSeconds: 10
           timeoutSeconds: 5
           successThreshold: 1
           failureThreshold: 3
         livenessProbe:
-          httpGet:
-            path: /api/health
-            port: 3100
+          exec:
+            command:
+            - wget
+            - --quiet
+            - --tries=1
+            - --timeout=3
+            - --spider
+            - http://localhost:3100/api/health
           initialDelaySeconds: 30
           periodSeconds: 30
           timeoutSeconds: 5