39 lines
1.0 KiB
YAML
39 lines
1.0 KiB
YAML
apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: nginx
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: nginx
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strategy:
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# highlight-start
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type: RollingUpdate
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rollingUpdate: # 单个串行升级，等新副本 ready 后才开始销毁旧副本
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maxUnavailable: 0
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maxSurge: 1
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# highlight-end
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template:
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metadata:
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labels:
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app: nginx
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spec:
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containers:
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- name: nginx
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image: nginx:latest
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startupProbe:
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httpGet:
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path: /
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port: 80
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# highlight-next-line
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successThreshold: 5 # 新副本启动时，连续探测成功多次后才交给 readinessProbe 探测
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periodSeconds: 5
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readinessProbe:
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httpGet:
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path: /
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port: 80
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# highlight-next-line
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successThreshold: 1 # 运行过程中探测 1 次成功就认为 ready，可在抖动导致异常后快速恢复服务
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periodSeconds: 5
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