chart/docs/common/values/lifecycle.md

Lifecycle

Key	Type	Helm Template	Default	Description
lifecycle	object	Yes	{}	lifecycle
lifecycle.preStop	object	Yes	{}	preStop
lifecycle.preStop.command	list/string	Yes	[]	command
lifecycle.postStart	object	Yes	{}	postStart
lifecycle.postStart.command	list/string	Yes	[]	command

lifecycle

Specify hooks that will run on the container. Like preStop or postStart

---

Can be defined in:

• .Values.lifecycle
• .Values.additionalContainers.[container-name].lifecycle

---

preStop

Examples preStop:

# String / Single command
lifecycle:
  preStop:
    command: ./custom-script.sh
# String / Single command (tpl)
lifecycle:
  preStop:
    command: "{{ .Values.customCommand }}"

# List
lifecycle:
  preStop:
    command:
      - /bin/sh
      - -c
      - |
        echo "Doing things..."
# List (tpl)
lifecycle:
  preStop:
    command:
      - /path/to/executable
      - --port
      - "{{ .Values.service.main.ports.main.port }}"

postStart

Examples postStart:

# String / Single command
lifecycle:
  postStart:
    command: ./custom-script.sh
# String / Single command (tpl)
lifecycle:
  postStart:
    command: "{{ .Values.customCommand }}"

# List
lifecycle:
  postStart:
    command:
      - /bin/sh
      - -c
      - |
        echo "Doing things..."
# List (tpl)
lifecycle:
  postStart:
    command:
      - /path/to/executable
      - --port
      - "{{ .Values.service.main.ports.main.port }}"

Kubernetes Documentation:

• Lifecycle Hooks