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tech-watch/k8s/postgres/statefulset.yaml
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2026-07-22 14:41:10 +00:00

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# Shared PostgreSQL instance, reusable across applications (miniflux, n8n, ...).
# Each application gets its own database (see create-db-*-job.yaml), all
# reachable through the "postgres" Service below.
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: postgres
namespace: postgres
labels:
app.kubernetes.io/name: postgres
spec:
serviceName: postgres
replicas: 1
selector:
matchLabels:
app.kubernetes.io/name: postgres
template:
metadata:
labels:
app.kubernetes.io/name: postgres
spec:
containers:
- name: postgres
image: postgres:18-alpine
ports:
- name: postgres
containerPort: 5432
envFrom:
- secretRef:
name: postgres-admin
env:
- name: PGDATA
value: /var/lib/postgresql/data/pgdata
volumeMounts:
- name: data
mountPath: /var/lib/postgresql/data
resources:
requests:
cpu: 100m
memory: 256Mi
limits:
cpu: 500m
memory: 512Mi
readinessProbe:
exec:
command: ["pg_isready", "-U", "$(POSTGRES_USER)"]
initialDelaySeconds: 5
periodSeconds: 10
livenessProbe:
exec:
command: ["pg_isready", "-U", "$(POSTGRES_USER)"]
initialDelaySeconds: 15
periodSeconds: 20
volumeClaimTemplates:
- metadata:
name: data
spec:
accessModes: ["ReadWriteOnce"]
resources:
requests:
storage: 5Gi