kind: Composition
apiVersion: apiextensions.crossplane.io/v1
metadata:
  name: xpostgresqlinstances.aws.database.example.org
  creationTimestamp: null
  labels:
    guide: quickstart
    provider: aws
    vpc: default
spec:
  compositeTypeRef:
    apiVersion: database.example.org/v1alpha1
    kind: XPostgreSQLInstance
  resources:
    - name: rdsinstance
      base:
        apiVersion: database.aws.crossplane.io/v1beta1
        kind: RDSInstance
        spec:
          forProvider:
            dbInstanceClass: db.t2.small
            engine: postgres
            engineVersion: "12"
            masterUsername: masteruser
            publiclyAccessible: true
            region: us-east-1
            skipFinalSnapshotBeforeDeletion: true
          writeConnectionSecretToRef:
            namespace: crossplane-system
      patches:
        - fromFieldPath: metadata.uid
          toFieldPath: spec.writeConnectionSecretToRef.name
          transforms:
            - type: string
              string:
                fmt: "%s-postgresql"
        - fromFieldPath: spec.parameters.storageGB
          toFieldPath: spec.forProvider.allocatedStorage
      connectionDetails:
        - fromConnectionSecretKey: username
        - fromConnectionSecretKey: password
        - fromConnectionSecretKey: endpoint
        - fromConnectionSecretKey: port
  writeConnectionSecretsToNamespace: crossplane-system