Modify

Edit

kubectl edit pod POD
kubectl edit svc SERVICE
kubectl edit deploy DEPLOYMENT
kubectl edit sts STATEFULSET

Scale

kubectl scale --replicas=N REPLICASET
kubectl scale --replicas=N DEPLOYMENT
kubectl scale --replicas=N STATEFULSET

kubectl autoscale deployment DEPLOYMENT --cpu-percent=50 --min=1 --max 5

Patch

Add

kubectl patch pod POD --type='json' -p='[{"op": "add", "path": "/spec/containers/0/env/-", "value": {"name": "MODE", "value": "production"}}]'

Replace

kubectl patch pod POD --type='json' -p='[{"op": "replace", "path": "/spec/containers/0/image", "value": "IMAGE:TAG"}]'

Remove

kubectl patch pod POD --type='json' -p='[{"op": "remove", "path": "/spec/nodeSelector"}]'