These settings define the containers in your deployment or cronjobs.
# default settings
containers:
- name: `.default.name`
image: '.default.image'
command:
- ...
policy: 'Always' ('Always', 'Never', 'IfNotPresent')
ports:
- containerPort: 80
cpu:
request: '100m'
limit: '1000m'
memory:
request: '128Mi'
limit: '1Gi'
probe:
path: '/health'
port: 80
delay: 30
startup: 20
root: false
privileged: false
init:
- (uses the same defaults as used by the 'containers' field)# explanations
containers: an array of containers to launch
- name: an arbitrary name for naming resources
image: the container image
command: an array of commands to run in the container's shell instead of it's CMD
- https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.19/#container-v1-core
policy: the restart policy to use for if the container exits
ports: what ports on the container to expose
- https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.19/#containerport-v1-core
cpu:
request: cpu request is guaranteed
limit: container will be throttled at cpu limit
memory:
request: memory request is guaranteed
limit: container will be restarted at memory limit
probe:
path: the server path to ping for health checks, set to "disable" to disable checks
port: the server port to ping for health checks
delay: number of seconds to wait before liveliness and readiness probes start
startup: number of failed startup checks before restarting, checks start after 10 seconds and happen every 6 seconds
root: run the image as root
privileged: give the image 'privileged' permissions
init: an array of 'init' containers to launch. they run before the containers are started
- (everything you can define under "containers" you can also define under "init")