Proxy requests to existing GraphQL backends

apiVersion: apimanagement.gloo.solo.io/v2
kind: GraphQLSchema
metadata:
  name: 
  namespace: 
spec:
  # Delegate query execution by proxying requests to existing GraphQL backends
  proxied:
    # List of destinations that can resolve GraphQL requests.
    # The existing GraphQL server must be compliant with the June 2018 GraphQL specification.
    graphqlServers:
      - port:
          number: 
        ref:
          cluster: 
          name: 
          namespace: 
    # Declare any variables for transformations you apply to the
    # GraphQL request in the 'headers' and 'queryParams' fields.
    # For more info, see section "Optional: Define variables for use in transformations"
    variables:
      dynamicMetadata:
      requestHeader:
      json:
    # Map of header name to a transformation on extracted variables which are declared in the variables field.
    # The transformation must result in a string value, or an error is returned.
    headers:
      # Path transformations, such a jq or json
      :path:
    # URL query parameters (key/value) on the request to the destination
    queryParams:
      key: value
    # The span name for the upstream gRPC request, used for tracing.
    # If unset, the request span name is set to the upstream cluster name.
    spanName:
    # Set the timeout of the HTTP request to the destination. Default: 5s.
    timeout:

apiVersion: apimanagement.gloo.solo.io/v2
kind: GraphQLSchema
metadata:
  name: music-graphqlschema
  namespace: bookinfo
spec:
  proxied:
    graphqlServers:
    - port:
        number: 8080
      ref:
        cluster: $CLUSTER_NAME
        name: music-graphql
        namespace: bookinfo
    headers:
      :path:
        json: /graphql
  schemaRef:
    clusterName: $CLUSTER_NAME
    name: music-schema
    namespace: bookinfo