apiVersion: v1
kind: ConfigMap
metadata:
  name: postgres-init-script
  namespace: matrix
data:
  init-multiple-dbs.sql: |
    CREATE DATABASE synapse;
    CREATE DATABASE mas;
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres
  namespace: matrix
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:15-alpine
          env:
            - name: POSTGRES_USER
              valueFrom:
                secretKeyRef:
                  name: matrix-secrets
                  key: POSTGRES_USER
            - name: POSTGRES_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: matrix-secrets
                  key: POSTGRES_PASSWORD
            - name: POSTGRES_INITDB_ARGS
              value: "--encoding=UTF8 --lc-collate=C --lc-ctype=C"
          ports:
            - containerPort: 5432
          volumeMounts:
            - name: postgres-data
              mountPath: /var/lib/postgresql/data
              subPath: synapse-data
            - name: init-script
              mountPath: /docker-entrypoint-initdb.d/init-multiple-dbs.sql
              subPath: init-multiple-dbs.sql
      volumes:
        - name: postgres-data
          persistentVolumeClaim:
            claimName: postgres-data
        - name: init-script
          configMap:
            name: postgres-init-script