secretumvault/k8s/07-postgresql.yaml

---
# PostgreSQL Deployment for SecretumVault dynamic secrets storage
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: vault-postgresql-pvc
  namespace: secretumvault
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Gi

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: vault-postgresql
  namespace: secretumvault
  labels:
    app: vault-postgresql
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app: vault-postgresql
  template:
    metadata:
      labels:
        app: vault-postgresql
    spec:
      containers:
      - name: postgresql
        image: postgres:15-alpine
        imagePullPolicy: IfNotPresent

        ports:
        - name: postgres
          containerPort: 5432
          protocol: TCP

        env:
        - name: POSTGRES_DB
          value: "secretumvault"
        - name: POSTGRES_USER
          value: "vault"
        - name: POSTGRES_PASSWORD
          valueFrom:
            secretKeyRef:
              name: vault-postgresql-secret
              key: password
        - name: PGDATA
          value: /var/lib/postgresql/data/pgdata

        volumeMounts:
        - name: data
          mountPath: /var/lib/postgresql/data

        livenessProbe:
          exec:
            command:
            - /bin/sh
            - -c
            - pg_isready -U vault -d secretumvault
          initialDelaySeconds: 30
          periodSeconds: 10
          timeoutSeconds: 5
          failureThreshold: 3

        readinessProbe:
          exec:
            command:
            - /bin/sh
            - -c
            - pg_isready -U vault -d secretumvault
          initialDelaySeconds: 10
          periodSeconds: 5
          timeoutSeconds: 3
          failureThreshold: 3

        resources:
          requests:
            memory: "256Mi"
            cpu: "100m"
          limits:
            memory: "512Mi"
            cpu: "250m"

        securityContext:
          allowPrivilegeEscalation: false
          capabilities:
            drop:
            - ALL

      volumes:
      - name: data
        persistentVolumeClaim:
          claimName: vault-postgresql-pvc

      terminationGracePeriodSeconds: 30

---
# PostgreSQL Service
apiVersion: v1
kind: Service
metadata:
  name: vault-postgresql
  namespace: secretumvault
  labels:
    app: vault-postgresql
spec:
  type: ClusterIP
  selector:
    app: vault-postgresql
  ports:
  - name: postgres
    port: 5432
    targetPort: postgres
    protocol: TCP

---
# Secret for PostgreSQL authentication
apiVersion: v1
kind: Secret
metadata:
  name: vault-postgresql-secret
  namespace: secretumvault
type: Opaque
stringData:
  password: "change-me-in-production"