batmanisko
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- Socket.io Redis adapter pro sdílený stav přes repliky - graceful shutdown serveru - WATCH/MULTI v updateData pro race-condition-safe aktualizace - lease mechanismus pro push reminder (zabrání duplicitnímu odesílání) - k8s/ manifesty pro testovací kind cluster - Dockerfile: opraven EXPOSE port na 3001 - .gitignore: ignorovány Claude pracovní soubory
86 lines
2.2 KiB
YAML
86 lines
2.2 KiB
YAML
apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: luncher
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namespace: luncher
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spec:
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replicas: 3
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selector:
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matchLabels:
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app: luncher
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxSurge: 0 # nelze přidat extra pod — každý worker je obsazen
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maxUnavailable: 1 # nejdřív smaž starý pod, pak naplánuj nový
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template:
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metadata:
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labels:
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app: luncher
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annotations:
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reloader.stakater.com/auto: "true"
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spec:
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terminationGracePeriodSeconds: 30
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# Rozmístit každý pod na jiný worker uzel
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affinity:
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podAntiAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchLabels:
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app: luncher
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topologyKey: kubernetes.io/hostname
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containers:
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- name: luncher
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image: luncher:ha-test
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imagePullPolicy: IfNotPresent
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ports:
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- containerPort: 3001
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envFrom:
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- configMapRef:
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name: luncher-config
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- secretRef:
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name: luncher-secrets
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env:
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# POD_ID pro leader election scheduleru připomínek
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- name: POD_ID
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valueFrom:
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fieldRef:
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fieldPath: metadata.name
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resources:
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requests:
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cpu: 100m
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memory: 256Mi
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limits:
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cpu: 500m
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memory: 512Mi
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# Liveness — levná kontrola bez externích závislostí
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livenessProbe:
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httpGet:
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path: /api/health
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port: 3001
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initialDelaySeconds: 10
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periodSeconds: 10
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failureThreshold: 3
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# Readiness — kontroluje Redis; při shutdown vrací 503
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readinessProbe:
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httpGet:
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path: /api/health/ready
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port: 3001
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initialDelaySeconds: 10
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periodSeconds: 5
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failureThreshold: 2
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# preStop sleep: dá čas kube-proxy a Traefiku odebrat endpoint
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# dřív než kontejner začne odmítat nová spojení
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lifecycle:
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preStop:
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exec:
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command: ["sleep", "5"]
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