feat: add k8s config. (#237)

README.md

@@ -34,6 +34,7 @@ A push notification micro server using [Gin](https://github.com/gin-gonic/gin) f
   - [Android Example](#android-example)
   - [Response body](#response-body)
 - [Run gorush in Docker](#run-gorush-in-docker)
+- [Run gorush in Kubernetes](#run-gorush-in-kubernetes)
 - [License](#license)
 
 ## Support Platform
@@ -673,6 +674,50 @@ $ http -v --verify=no --json GET http://your.docker.host/api/stat/go
 
 ![statue screenshot](screenshot/status.png)
 
+## Run gorush in Kubernetes
+
+Please make sure you are install [Minikube](https://kubernetes.io/docs/tutorials/stateless-application/hello-minikube/) first.
+
+### Create a Minikube cluster
+
+```sh
+$ minikube start --vm-driver=xhyve
+```
+
+### Quick Start
+
+Start the gorush with one command:
+
+```sh
+$ kubectl create -f k8s
+deployment "frontend" created
+service "frontend" created
+deployment "redis-master" created
+service "redis-master" created
+```
+
+Then, list all your Services:
+
+```sh
+$ kubectl get services
+NAME           CLUSTER-IP   EXTERNAL-IP   PORT(S)          AGE
+frontend       10.0.0.156   <pending>     8088:32517/TCP   30s
+kubernetes     10.0.0.1     <none>        443/TCP          14d
+redis-master   10.0.0.67    <none>        6379/TCP         30s
+```
+
+### view the gorush home page
+
+```sh
+$ minikube service frontend
+```
+
+### Clean up the gorush:
+
+```sh
+$ kubectl delete -f k8s
+```
+
 ## License
 
 Copyright 2016 Bo-Yi Wu [@appleboy](https://twitter.com/appleboy).

k8s/gorush-deployment.yaml

@@ -0,0 +1,27 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: frontend
+spec:
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: gorush
+        tier: frontend
+    spec:
+      containers:
+      - name: gorush
+        image: appleboy/gorush
+        command: ["/gorush"]
+        args: ["-c", "config.yml", "-e", "redis", "--redis-addr", "redis-master:6379"]
+        env:
+        - name: GET_HOSTS_FROM
+          # value: dns
+          # If your cluster config does not include a dns service, then to
+          # instead access environment variables to find service host
+          # info, comment out the 'value: dns' line above, and uncomment the
+          # line below:
+          value: env
+        ports:
+        - containerPort: 8088

k8s/gorush-service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend
+  labels:
+    app: gorush
+    tier: frontend
+spec:
+  # if your cluster supports it, uncomment the following to automatically create
+  # an external load-balanced IP for the frontend service.
+  type: LoadBalancer
+  ports:
+  - port: 8088
+  selector:
+    app: gorush
+    tier: frontend

k8s/redis-master-deployment.yaml

@@ -0,0 +1,18 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: redis-master
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: redis
+        role: master
+        tier: backend
+    spec:
+      containers:
+      - name: master
+        image: redis
+        ports:
+        - containerPort: 6379

k8s/redis-master-service.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis-master
+  labels:
+    app: redis
+    role: master
+    tier: backend
+spec:
+  ports:
+  - port: 6379
+    targetPort: 6379
+  selector:
+    app: redis
+    role: master
+    tier: backend