k8s中nginx configmap怎么写

在Kubernetes中，可以使用ConfigMap来定义Nginx的配置文件。以下是一个示例：

创建一个名为nginx-config的ConfigMap，用于存储Nginx的配置文件：

apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-config
data:
  nginx.conf: |
    user nginx;
    worker_processes auto;
    error_log /var/log/nginx/error.log;
    pid /var/run/nginx.pid;
    
    events {
      worker_connections 1024;
    }
    
    http {
      include /etc/nginx/mime.types;
      default_type application/octet-stream;
    
      log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
    
      access_log /var/log/nginx/access.log main;
    
      sendfile on;
      tcp_nopush on;
      tcp_nodelay on;
    
      keepalive_timeout 65;
      types_hash_max_size 2048;
    
      include /etc/nginx/conf.d/*.conf;
      include /etc/nginx/sites-enabled/*;
    }

在Nginx的Pod中使用ConfigMap中的配置文件，将其挂载为一个Volume，并使用该Volume中的文件作为Nginx的配置文件：

apiVersion: v1
kind: Pod
metadata:
  name: nginx-pod
spec:
  containers:
    - name: nginx
      image: nginx
      volumeMounts:
        - name: nginx-config-volume
          mountPath: /etc/nginx/nginx.conf
          subPath: nginx.conf
  volumes:
    - name: nginx-config-volume
      configMap:
        name: nginx-config

在上述示例中，nginx.conf文件将被挂载到Pod中的/etc/nginx/nginx.conf路径下，作为Nginx的配置文件。