docs: improve the k8s manifests about podAntiAffinity (#80)

Author: LinuxSuRen

README.md

@@ -14,7 +14,7 @@ This is a API testing tool.
 *   Validate the response body with [JSON schema](https://json-schema.org/)
 *   Pre and post handle with the API request
 *   Output reference between TestCase
-*   Run in server mode, and provide the gRPC endpoint
+*   Run in server mode, and provide the [gRPC endpoint](pkg/server/server.proto)
 *   [VS Code extension](https://github.com/LinuxSuRen/vscode-api-testing) support
 
 ## Get started
@@ -25,6 +25,8 @@ Install it via [hd](https://github.com/LinuxSuRen/http-downloader) or download f
 hd install atest
 ```
 
+or, you can install it in Kubernetes. See also the [manifests](sample/manifest.yaml).
+
 see the following usage:
 
 ```shell

sample/manifest.yaml

@@ -8,16 +8,28 @@ metadata:
   name: api-testing
 spec:
   replicas: 1
+  strategy:
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 1
   selector:
     matchLabels:
       app: api-testing
-  strategy: {}
   template:
     metadata:
       creationTimestamp: null
       labels:
         app: api-testing
     spec:
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+          - podAffinityTerm:
+              labelSelector:
+                matchLabels:
+                  app: api-testing
+              topologyKey: kubernetes.io/hostname
+            weight: 5
       containers:
       - image: ghcr.io/linuxsuren/api-testing
         name: server
@@ -28,7 +40,6 @@ spec:
           requests:
             cpu: "100m"
             memory: 100m
-status: {}
 ---
 apiVersion: v1
 kind: Service