# Template ExternalSecret - With Advanced Templating
#
# This template demonstrates more advanced features:
# - Multiple secrets from different sources
# - Template transformations
# - Custom keys in the resulting Secret

apiVersion: external-secrets.io/v1beta1
kind: ExternalSecret
metadata:
  name: app-secrets-advanced
  namespace: default  # CHANGE: Your application's namespace
spec:
  refreshInterval: 30m
  
  secretStoreRef:
    name: vault-secretstore
    kind: SecretStore
  
  target:
    name: app-secrets-advanced
    creationPolicy: Owner
    template:
      engineVersion: v2
      # Build a custom configuration file from secret values
      data:
        config.yaml: |
          database:
            host: "{{ .db_host }}"
            port: {{ .db_port }}
            username: "{{ .db_user }}"
            password: "{{ .db_password }}"
          api:
            key: "{{ .api_key }}"
            secret: "{{ .api_secret }}"
        .env: |
          DATABASE_URL=postgresql://{{ .db_user }}:{{ .db_password }}@{{ .db_host }}:{{ .db_port }}/myapp
          API_KEY={{ .api_key }}
  
  data:
    # Database credentials
    - secretKey: db_host
      remoteRef:
        key: databases/postgres  # CHANGE
        property: host
    
    - secretKey: db_port
      remoteRef:
        key: databases/postgres  # CHANGE
        property: port
    
    - secretKey: db_user
      remoteRef:
        key: databases/postgres  # CHANGE
        property: username
    
    - secretKey: db_password
      remoteRef:
        key: databases/postgres  # CHANGE
        property: password
    
    # API credentials
    - secretKey: api_key
      remoteRef:
        key: my-app/api-keys     # CHANGE
        property: key
    
    - secretKey: api_secret
      remoteRef:
        key: my-app/api-keys     # CHANGE
        property: secret