YAML语言是一个类似XML、JSON的标记性语言、他强调以数据为中心、而不是以标识语言为重点、因而YANL本身定义比较简单：对比如下
XML语言：
<html>
<age>15< /age>
<address>hainan< /address>
</html>
YAML语言：
heima:
age:15
address:hainan
yaml语言没有过多的标记性嵌套字符
纯量：
对象：
数组：
例子：创建nginx服务
apiVersion: v1
kind: Namespace
metadata:
name: bmc
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
namespace: bmc
spec:
replicas: 1
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx
ports:
- containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
name: nginx-service
namespace: bmc
spec:
type: NodePort
selector:
app: nginx
ports:
- protocol: TCP
port: 80
targetPort: 80
标签：语言,nginx,app,name,yaml,metadata From： https://www.cnblogs.com/littlecc/p/17530473.html