minecraft

minecraft/tfg-deployment.yaml

@@ -1,26 +1,32 @@
 apiVersion: apps/v1
-kind: Deployment
+kind: StatefulSet
 metadata:
   name: tfg
   namespace: minecraft
   labels:
     app.kubernetes.io/name: tfg
 spec:
-  replicas: 1
   selector:
     matchLabels:
       app.kubernetes.io/name: tfg
-  strategy:
-    type: Recreate
+  replicas: 1
   template:
     metadata:
+      namespace: minecraft
       labels:
         app.kubernetes.io/name: tfg
+        containertype: minecraft-server
     spec:
       containers:
         - name: tfg
           image: itzg/minecraft-server:java21-graalvm
           env:
+            # Let jvm figure out memory based on limits
+            - name: MEMORY
+              value: ""
+            - name: JVM_XX_OPTS
+              value: "-XX:MaxRAMPercentage=75"
+
             - name: ALLOW_FLIGHT
               value: "true"
             - name: CF_API_KEY
@@ -38,8 +44,7 @@ spec:
               value: "TRUE"
             - name: MAX_TICK_TIME
               value: "-1"
-            - name: MEMORY
-              value: 12G
+
             - name: MOD_PLATFORM
               value: AUTO_CURSEFORGE
             - name: ONLINE_MODE
@@ -48,6 +53,7 @@ spec:
               value: "true"
             - name: SPAWN_PROTECTION
               value: "0"
+
             - name: OPS
               value: |
                 RoyalCat33
@@ -56,16 +62,32 @@ spec:
           ports:
             - containerPort: 25565
               protocol: TCP
+          resources:
+            requests:
+              cpu: "1"
+              memory: "2Gi"
+            limits:
+              cpu: "4"
+              memory: "10Gi"
+          readinessProbe:
+            exec:
+              command:
+                ["/usr/local/bin/mc-monitor", "status", "--host", "localhost"]
+            # Give it i + p * f seconds to be ready, so 120 seconds
+            initialDelaySeconds: 20
+            periodSeconds: 5
+            failureThreshold: 20
+          # Monitor ongoing liveness
+          livenessProbe:
+            exec:
+              command:
+                ["/usr/local/bin/mc-monitor", "status", "--host", "localhost"]
+            initialDelaySeconds: 120
+            periodSeconds: 60
           volumeMounts:
             - mountPath: /data
               name: tfg-data
-            - mountPath: /downloads
-              name: curseforge-downloads
-      restartPolicy: Always
       volumes:
         - name: tfg-data
           persistentVolumeClaim:
             claimName: tfg-data
-        - name: curseforge-downloads
-          persistentVolumeClaim:
-            claimName: curseforge-downloads