Files
workshop/aula-03/deployment.yaml
Allyson de Paula a479bf3696 aula-03: Alta disponibilidade com replicas e readiness probe
Múltiplas réplicas com readiness probe para remover pods
não-saudáveis do Service enquanto liveness probe os reinicia.
2025-12-25 13:37:33 -03:00

48 lines
1.3 KiB
YAML

apiVersion: apps/v1
kind: Deployment
metadata:
name: node-bugado
spec:
replicas: 5 # Alta disponibilidade: enquanto um reinicia, outros atendem
selector:
matchLabels:
app: node-bugado
template:
metadata:
labels:
app: node-bugado
spec:
terminationGracePeriodSeconds: 5
containers:
- name: app
image: node:24-alpine
command: ["node", "/app/app.js"]
env:
- name: MAX_REQUESTS
valueFrom:
configMapKeyRef:
name: app-config
key: MAX_REQUESTS
ports:
- containerPort: 3000
readinessProbe:
httpGet:
path: /health
port: 3000
periodSeconds: 1 # Verifica a cada 1 segundo
failureThreshold: 1 # 1 falha = remove do Service
livenessProbe:
httpGet:
path: /health
port: 3000
initialDelaySeconds: 2 # Espera para começar a testar
periodSeconds: 1 # A cada 1 seg faz o teste novamente
failureThreshold: 2 # 2 falhas = reinicia o container
volumeMounts:
- name: app-volume
mountPath: /app
volumes:
- name: app-volume
configMap:
name: app-config