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apiVersion: apps/v1
kind: Deployment
metadata:
name: ychat
namespace: services
spec:
replicas: 1
# Recreate: single-instance stateful-in-memory chat; avoid two pods racing
# for the same Service while the old one drains its sessions.
strategy:
type: Recreate
selector:
matchLabels:
app: ychat
template:
metadata:
labels:
app: ychat
spec:
securityContext:
runAsNonRoot: true
runAsUser: 1000
runAsGroup: 1000
fsGroup: 1000
containers:
- name: ychat
image: registry.lan.buetow.org:30001/ychat:6d079fb
imagePullPolicy: IfNotPresent
securityContext:
allowPrivilegeEscalation: false
readOnlyRootFilesystem: true
runAsNonRoot: true
runAsUser: 1000
runAsGroup: 1000
ports:
- containerPort: 2000
name: http
# No liveness/readiness probes: yChat segfaults on an empty TCP
# open+close (a TCP-socket probe would kill it). It serves real HTTP
# requests fine, and kubelet restarts the pod if the process exits.
resources:
requests:
memory: 32Mi
cpu: 25m
limits:
memory: 128Mi
cpu: 250m
volumeMounts:
- name: log
mountPath: /app/log
- name: tmp
mountPath: /tmp
volumes:
- name: log
emptyDir: {}
- name: tmp
emptyDir: {}
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