deployment.yaml 文件解读

apiVersion: apps/v1
kind: Deployment

• apiVersion: 资源的版本，这里使用的是 apps/v1，表示这是一个 Deployment 的最新版本。
• kind: 资源类型，这里是 Deployment，表示这是一个 Deployment 资源。

metadata:
  name:  project_name-project_env
  namespace: dtmtask-project_env
  labels:
    app: project_name-project_env

• name: Deployment 的名字，通常用来标识这个 Deployment 实例。
• namespace: 指定 Deployment 所在的命名空间，这里是 dtmtask-project_env。

spec:
  replicas: 1
  selector:
    matchLabels:
      app: project_name-project_env
  template:
    metadata:
      labels:
        app: project_name-project_env
    spec:
      nodeSelector:
        environment: dtm-project_env
      containers:
      - name: project_name-project_env
        image: project_images_url
        lifecycle:
          postStart:
            exec:
              command:
                - /bin/sh
                - -c
                - |
                  chown -R www-data.www-data /data/logs /data/webapps /data/cache
        ports:
        - containerPort: 80
        resources:
          limits:
            memory: "1Gi"
            cpu: "1"
          requests:
            memory: "256Mi"
            cpu: "100m"
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /data/logs/svc/nginx
          name: nginx-error-log
        - mountPath: /data/logs/access/project_name
          name: nginx-access-log
        - mountPath: /data/logs/svc/php
          name: php-error-log
        - mountPath: /data/logs/app/project_name
          name: app-log
        - mountPath: /data/cache/project_name
          name: cache
      imagePullSecrets:
      - name: aliyun-registry-secret
      volumes:
         - hostPath:
             path: /data/logs/svc/nginx
             type: ''
           name: nginx-error-log
         - hostPath:
             path: /data/logs/access/project_name
             type: ''
           name: nginx-access-log
         - hostPath:
             path: /data/logs/app/project_name
             type: ""
           name: app-log
         - hostPath:
             path: /data/logs/svc/php
             type: ""
           name: php-error-log
         - hostPath:
             path: /data/cache/project_name
             type: ""
           name: cache