Hands-On Microservices with Kubernetes

Deploying a Delinkcious microservice

Each Delinkcious microservice has a set of Kubernetes resources defined in YAML manifests in its k8s subdirectory. Here is the link service k8s directory:

]$ tree k8sk8s├── db.yaml└── link_manager.yaml

The link_manager.yaml file contains two resources: the Kubernetes deployment and the Kubernetes service. The Kubernetes deployment is as follows:

apiVersion: apps/v1kind: Deploymentmetadata:  name: link-manager  labels:    svc: link    app: managerspec:  replicas: 1  selector:    matchLabels:      svc: link      app: manager  template:    metadata:      labels:        svc: link        app: manager    spec:      containers:      - name: link-manager        image: g1g1/delinkcious-link:0.2        ports:        - containerPort: 8080

The Kubernetes service is as follows:

apiVersion: v1 ...