apiVersion: apps/v1
kind: Deployment
metadata:
  name: k8s-pilot
  namespace: k8s-pilot
  labels:
    app: k8s-pilot
spec:
  replicas: 2
  selector:
    matchLabels:
      app: k8s-pilot
  # Recreate one pod at a time — always keep 1 running
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 1
      maxSurge: 0
  template:
    metadata:
      labels:
        app: k8s-pilot
    spec:
      serviceAccountName: k8s-pilot

      # Spread across nodes — one pod on Pi5, one on Pi4
      topologySpreadConstraints:
        - maxSkew: 1
          topologyKey: kubernetes.io/hostname
          whenUnsatisfiable: DoNotSchedule
          labelSelector:
            matchLabels:
              app: k8s-pilot

      # Hard anti-affinity: never two pods on the same node
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchLabels:
                  app: k8s-pilot
              topologyKey: kubernetes.io/hostname

      # Must tolerate control-plane taint so Pi5 is eligible
      tolerations:
        - key: node-role.kubernetes.io/control-plane
          operator: Exists
          effect: NoSchedule

      containers:
        - name: k8s-pilot
          # Replace with your Gitea registry path:
          # image: git.it-microevo.com/<user>/k8s-pilot:latest
          image: gitea.it-microevo.com/dev/k8s-pilot:latest
          imagePullPolicy: Always
          ports:
            - containerPort: 3000
          env:
            - name: PORT
              value: "3000"
          resources:
            requests:
              cpu: 50m
              memory: 64Mi
            limits:
              cpu: 200m
              memory: 256Mi
          livenessProbe:
            httpGet:
              path: /
              port: 3000
            initialDelaySeconds: 10
            periodSeconds: 30
            failureThreshold: 3
          readinessProbe:
            httpGet:
              path: /
              port: 3000
            initialDelaySeconds: 5
            periodSeconds: 10