import org.gradle.api.Incubating;

import javax.annotation.Nullable;

/**
 * Represents a problem details.
 *
 * @since 8.6
 */
@Incubating
public interface Details {

    /**
     * Returns a detailed description of a problem.
     *
     * @return the problem details
     * @since 8.6
     */
    @Nullable
    String getDetails();

          raise 'please provide numeric product id'
        end
        details = get_book_details(id, headers)
        res.body = details.to_json
        res['Content-Type'] = 'application/json'
    rescue => error
        res.body = {'error' => error}.to_json
        res['Content-Type'] = 'application/json'
        res.status = 400
    end
end

# TODO: provide details on different books.
def get_book_details(id, headers)

  labels:
    account: details
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: details-v1
  labels:
    app: details
    version: v1
spec:
  replicas: 1
  selector:
    matchLabels:
      app: details
      version: v1
  template:
    metadata:
      labels:
        app: details
        version: v1
    spec:
      serviceAccountName: bookinfo-details
      containers:

  labels:
    app: details
    version: v1
spec:
  replicas: 1
  selector:
    matchLabels:
      app: details
      version: v1
  template:
    metadata:
      labels:
        app: details
        version: v1
    spec:
      containers:
      - name: details
        image: docker.io/istio/examples-bookinfo-details-v1:1.20.1
        imagePullPolicy: IfNotPresent
        ports:

  selector:
    app: details
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: details-v1
  labels:
    app: details
    version: v1
spec:
  replicas: 1
  selector:
    matchLabels:
      app: details
      version: v1
  template:
    metadata:
      labels:
        app: details
        version: v1
    spec:
      containers:
      - name: details

apiVersion: gateway.networking.k8s.io/v1beta1
kind: Gateway
metadata:
  labels:
    istio.io/rev: stable
  name: bookinfo-details
spec:
  gatewayClassName: istio-waypoint
  listeners:
  - name: mesh
    port: 15008

# Details service v2
##################################################################################################
apiVersion: apps/v1
kind: Deployment
metadata:
  name: details-v2
  labels:
    app: details
    version: v2
spec:
  replicas: 1
  selector:
    matchLabels:
      app: details
      version: v2
  template:
    metadata:
      labels:

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: details
spec:
  hosts:
  - details
  http:
  - route:
    - destination:
        host: details

github-actions-cache-details.png...

github-actions-job-details.png...