apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: pelican-postgres
  namespace: pelican
spec:
  replicas: 1
  selector:
    matchLabels:
      app: pelican-postgres
  serviceName: pelican-postgres
  template:
    metadata:
      labels:
        app: pelican-postgres
    spec:
      restartPolicy: Always
      terminationGracePeriodSeconds: 60
      containers:
        - name: postgres
          image: postgres:17-alpine
          resources:
            requests:
              cpu: 100m
              memory: 256Mi
            limits:
              cpu: 500m
              memory: 512Mi
          ports:
            - containerPort: 5432
          volumeMounts:
            - name: pelican-postgres-data
              mountPath: /var/lib/postgresql/data
          env:
            - name: PGDATA
              value: /var/lib/postgresql/data/pgdata
            - name: POSTGRES_USER
              valueFrom:
                secretKeyRef:
                  name: pelican-secrets
                  key: DB_USERNAME
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: pelican-secrets
                  key: DB_PASSWORD
            - name: POSTGRES_DB
              valueFrom:
                secretKeyRef:
                  name: pelican-secrets
                  key: DB_DATABASE
      volumes:
        - name: pelican-postgres-data
          persistentVolumeClaim:
            claimName: pelican-postgres-pvc