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learn_k8s/manifests/mypostgres-replicaset.yaml

56 lines
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YAML

# This is a singleton postgres pod with a Persistent Volume Claim to an
# NFS backed volume. See nfs-volume.yaml and nfs-volume-claim.yaml
# It will be exposed as a service to the runcible namespace in mypostgres-service.yaml
apiVersion: apps/v1
kind: ReplicaSet
metadata:
name: mypostgres
namespace: runcible
labels:
app: mypostgres
spec:
# Since this is a singleton
replicas: 1
selector:
matchLabels:
app: mypostgres
template:
metadata:
labels:
app: mypostgres
spec:
containers:
- name: database
image: postgres:12-alpine
# resources:
# requests:
# cpu: 2
# memory: 2Gi
env:
# Convert this over to use secrets instead
- name: POSTGRES_PASSWORD
# Don't commit your actual password
value: example
- name: POSTGRES_USER
value: toor
- name: POSTGRES_DB
value: testdb
# Could consider relocating the pgdata dir
# - name: PGDATA
# value: /var/lib/postgresql/data
livenessProbe:
tcpSocket:
port: 5432
initialDelaySeconds: 180
periodSeconds: 10
ports:
- containerPort: 5432
volumeMounts:
- name: postgres-data
mountPath: /var/lib/postgresql/data
volumes:
- name: postgres-data
persistentVolumeClaim:
# The name of our pvc
claimName: postgres-nfs