---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: minecraft-server
  namespace: minecraft
spec:
  selector:
    matchLabels:
      app: minecraft-server
  template:
    metadata:
      labels:
        app: minecraft-server
    spec:
      # Prevent scheduling on Raspberry Pi due to high resource requirements (1Gi-4Gi memory, 1-2 CPU)
      nodeSelector:
        hardware: high-memory
      containers:
        - name: minecraft-server
          image: itzg/minecraft-server:latest  # Or specific version if needed
          env:
            - name: EULA
              value: "TRUE"
            - name: MODE
              value: "survival"
            - name: INIT_MEMORY
              value: 1G
            - name: MAX_MEMORY
              value: 4G
            # - name: CF_SERVER_MOD
            #   value: "/modpacks/your-modpack.zip"
            # - name: ALLOW_FLIGHT
            #   value: "TRUE"
            # - name: USE_AIKAR_FLAGS
            #   value: "TRUE"
            # - name: RCON_PASSWORD
            #   value: "rcon-password"
          ports:
            - name: minecraft
              containerPort: 25565  # Expose port 25565
            - name: minecraft-rcon
              containerPort: 25575
            - name: metrics
              containerPort: 19565
          resources:
            requests:
              cpu: 1 #4  # Adjust based on expected workload
              memory: "1Gi" #"12Gi"  # Adjust based on expected workload
            limits:
              cpu: 2 #8  # Adjust based on expected workload
              memory: "4Gi" #"16Gi"  # Adjust based on expected workload
          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:
          - name: minecraft-data
            mountPath: /data
      volumes:
        - name: minecraft-data
          persistentVolumeClaim:
            claimName: minecraft-data