apiVersion: apps/v1
kind: Deployment
metadata: { name: postgres }
spec:
  selector: { matchLabels: { app: postgres } }
  template:
    metadata: { labels: { app: postgres } }
    spec:
      containers:
        - name: postgres
          image: postgres:16-alpine
          env:
            - { name: POSTGRES_USER, value: rarelens }
            - { name: POSTGRES_PASSWORD, value: rarelens }
            - { name: POSTGRES_DB, value: rarelens }
          readinessProbe: { exec: { command: [pg_isready, -U, rarelens] }, periodSeconds: 5 }
          resources: { requests: { cpu: 100m, memory: 256Mi }, limits: { cpu: 500m, memory: 512Mi } }
---
apiVersion: v1
kind: Service
metadata: { name: postgres }
spec: { selector: { app: postgres }, ports: [{ port: 5432 }] }