Terminate istio sidecar istio-proxy for a kubernetes job / cronjob

- command:
  - /bin/sh
  - -c
  - |
    until curl -fsI http://localhost:15021/healthz/ready; do echo \"Waiting for Sidecar...\"; sleep 3; done;
    echo \"Sidecar available. Running the command...\";
    <YOUR_COMMAND>;
    x=$(echo $?); curl -fsI -X POST http://localhost:15020/quitquitquit && exit $x

Update: sleep loop can be omitted if holdApplicationUntilProxyStarts is set to true (globally or as an annotation) starting with istio 1.7