k8s部署应用精简示例(nginx)模板

创建一个namespace

1 kind: Namespace
2 apiVersion: v1
3 metadata:
4   name: nginx-test

创建一个configmap

 1 apiVersion: v1
 2 kind: ConfigMap
 3 metadata:
 4   name: nginx-config
 5   namespace: nginx-test
 6 data:
 7  default: |
 8     server {
 9         listen       80;
10         server_name  localhost;
11         location / {
12             root   /var/www/html;
13             index  index.html index.htm index.php;
14         }
15         error_page   500 502 503 504  /50x.html;
16         location = /50x.html {
17             root   /var/www/html;
18         }
19         location ~ \.php$ {
20             root           /var/www/html;
21             fastcgi_pass   127.0.0.1:9000;
22             fastcgi_index  index.php;
23             fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
24             include        fastcgi_params;
25         }
26         location ~ /\.ht {
27             deny  all;
28         }
29     }

构建deployment配置文件

 1 apiVersion: apps/v1
 2 kind: Deployment
 3 metadata: 
 6   name: nginx-deploy
 7   namespace: nginx-test 
 9 spec:
11   replicas: 1
13   selector:
14     matchLabels:
15       app: nginx-php
21   template:
22     metadata:
26       labels:
27         app: nginx-php
28     spec:
29       containers:
30         - image: 'nginx:1.21.1'
31           imagePullPolicy: IfNotPresent
32           name: nginx-server
33           ports:
34             - containerPort: 80
35               name: http
36               protocol: TCP
37           resources:
38             limits:
39               cpu: 500m
40               memory: 1Gi
41             requests:
42               cpu: 200m
43               memory: 500m
46           volumeMounts:
47             - mountPath: /var/www/html
48               name: php-html
49             - mountPath: /etc/nginx/conf.d
50               name: nginx-config
56       volumes:
57         - hostPath:
58             path: /data/k8s-data/nginx/html
59             type: Directory
60           name: php-html
61         - configMap:63             items:
64               - key: default
65                 path: default.conf
66             name: nginx-config
67           name: nginx-config

绑定一个service

 1 apiVersion: v1
 2 kind: Service
 3 metadata:
 4   name: nginx-deploy
 5   namespace: nginx-test
 6 spec:
 7   type: NodePort
 8   ports:
 9     - name: http
10       port: 80
11       protocol: TCP
12       targetPort: 80
13       nodePort: 30080
14   selector:
15     app: nginx-php