apiVersion: pkg.crossplane.io/v1
kind: Provider
metadata:
  name: provider-aws
spec:
  package: crossplane/provider-aws:v0.30.0
---
apiVersion: aws.crossplane.io/v1beta1
kind: ProviderConfig
metadata:
  name: default
spec:
  credentials:
    source: Secret
    secretRef:
      namespace: crossplane-system
      name: aws-creds
      key: credentials
---
apiVersion: database.example.org/v1alpha1
kind: PostgreSQLInstance
metadata:
  name: my-db
spec:
  parameters:
    storageGB: 20
    version: "13"
  compositionRef:
    name: aws-rds-postgresql
  writeConnectionSecretToRef:
    namespace: default
    name: db-conn