In this blog we will cover one of the important aspect to boost the developer performance by mocking the dependent rest interface for seamless development.

Let’s say you are developing a utility which consumes a rest service provided by other developer. To avoid this any development blocker you can place a request response agreement and use this agreement in https://github.com/dreamhead/moco to mock the APIs.

Preparing API agreement

This agreement is provided as moco.json to moco. Here you will write your request and expected response details e.g. :

[
    {
  "request" :
    {
      "uri" : "/foo"
    },
  "response" :
    {
      "text" : "bar"
    }
}
]

Your request and expected response can be expressed with fine granularity. Here this page you can follow for more details.

Deployment of moco server

Now we are ready for the deployment :

1. Docker
2. Kubernetes

Deployment in docker

Following command with deploy the moco server as docker and moco.json can be kept in volumen mount.

$ docker run -v /my/own/moco-directory:/var/moco -p 8000:8000 rezzza/docker-moco:latest

Deployment using kubernetes

Following .yaml can be used to deploy the moco server in kubernetes environment. Here we pass the moco.json as file

apiVersion: v1
kind: Pod
metadata:
  name: moco
  labels:
    name: moco
    app: moco
spec:
  containers:
  - name: moco
    image: rezzza/docker-moco:latest
    resources:
      limits:
        memory: "128Mi"
        cpu: "500m"
    ports:
      - containerPort: 8000
        protocol: TCP
    volumeMounts:
    - name: moco-volume
      mountPath: /var/moco
  volumes:
  - name: moco-volume
    configMap:
      name: moco-config
---
apiVersion: v1
kind: Service
metadata:
  name: moco-service
spec:
  selector:
    app: moco
  ports:
  - port: 8000
    targetPort: 8000
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: moco-config
data:
  moco.json: >
    [
      {
        "request" :
        {
        "uri" : "/foo"
        },
        "response" :
        {
          "text" : "bar"
        }
      } 
    ]

know you can use this server to fire your REST request to avoid any dependency.