example.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: agent
spec:
  replicas: 8
  selector:
    matchLabels:
      id: agent-pod
  template:
    metadata:
      labels:
        id: agent-pod
    spec:
      terminationGracePeriodSeconds: 3600
      volumes:
        - name: share
          emptyDir: {}
      containers:
      - name: sidecar
        volumeMounts:
          - mountPath: /share
            name: share
        lifecycle:
          preStop:
            exec:
              command: ["sh", "-c", "while ! [ -f /share/kill_sidecar ]; do sleep 1; done; kill -2 1"]
        image: python-flask
      - name: agent
        volumeMounts:
          - mountPath: /share
            name: share
        lifecycle:
          preStop:
            exec:
              command: ["sh", "-c", "touch /tmp/kill_me"]
        command:
        - /bin/sh
        - -c
        - >
          sleep 3 && rm -rf var/cache/* && bin/console cache:clear &&
          while ! [ -f /tmp/kill_me ];
            do
            bin/console messenger:consume queue --limit=1 --time-limit=60 -vv
          done;
          touch /share/kill_sidecar
        image: my-symfony-agent-image