apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-ingress-controller
spec:
  template:
    spec:
      terminationGracePeriodSeconds: 0
      initContainers:
        - name: enable-coredump
          image: busybox
          command:
            - /bin/sh
            - -c
            - |
              ulimit -c unlimited
              echo "/tmp/core.%e.%p" > /proc/sys/kernel/core_pattern
              sysctl -w fs.suid_dumpable=2
          securityContext:
            privileged: true
      containers:
        - name: nginx-ingress-controller
          livenessProbe:
            timeoutSeconds: 1
            initialDelaySeconds: 1
            periodSeconds: 2
          readinessProbe:
            timeoutSeconds: 1
            initialDelaySeconds: 1
            periodSeconds: 2
          lifecycle:
            preStop:
              exec:
                command:
                  - /wait-shutdown