apiVersion: apps/v1
kind: Deployment
metadata:
name: myapp
labels:
app: myapp
spec:
replicas: 1
selector:
matchLabels:
app: myapp
template:
metadata:
labels:
app: myapp
spec:
containers:
- name: myapp
image: alpine:latest
command: ['sh', '-c', 'while true; do echo "logging" >> /opt/logs.txt; sleep 1; done']
volumeMounts:
- name: data
mountPath: /opt
initContainers:
- name: logshipper
image: alpine:latest
# Setting restartPolicy: Always makes this a sidecar container.
restartPolicy: Always
command: ['sh', '-c', 'tail -F /opt/logs.txt']
volumeMounts:
- name: data
mountPath: /opt
volumes:
- name: data
emptyDir: {}
