{ "spec": { "template": { "spec": { "initContainers": [{ "name": "sysctl", "image": "alpine:3.6", "securityContext": { "privileged": true }, "command": ["sh", "-c", "sysctl -w net.core.somaxconn=32768; sysctl -w net.ipv4.ip_local_port_range=1024 65535"] }] } } } }