add hpa and revisionhistorylimit

mediawiki/db.yaml

@@ -21,6 +21,7 @@ metadata:
     app: mediawiki-db
 spec:
   replicas: 1
+  revisionHistoryLimit: 2
   selector:
     matchLabels:
       app: mediawiki-db

mediawiki/hpa.yaml

@@ -0,0 +1,26 @@
+---
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: mediawiki-hpa
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: mediawiki-app
+  desiredReplicas: 0
+  minReplicas: 1
+  maxReplicas: 5
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 60
+  - type: Resource
+    resource:
+      name: memory
+      target:
+        type: Utilization
+        averageUtilization: 70

mediawiki/kustomization.yaml

@@ -9,3 +9,4 @@ resources:
   - mediawiki.yaml
   - localsettings-sealed-secret.yaml
   - initsql-sealed-secret.yaml
+  - hpa.yaml

mediawiki/mediawiki.yaml

@@ -7,6 +7,7 @@ metadata:
   labels:
     app: mediawiki-app
 spec:
+  revisionHistoryLimit: 2
   selector:
     matchLabels:
       app: mediawiki-app