ha-resources.yaml

# Deployment
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: your-deployment
  namespace: your-namespace
  labels:
    app: your-application
spec:
  replicas: ${REPLICAS_COUNT}
  minReadySeconds: 30
  strategy:
    rollingUpdate:
      maxSurge: 3
      maxUnavailable: 0
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: your-application
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - your-application
            topologyKey: kubernetes.io/hostname
      containers:
        - name: your-application-container
          imagePullPolicy: Always
          image: your-application-image:v1.0.0
          resources:
            requests:
              memory: 512Mi
              cpu: 500m
            limits:
              memory: 512Mi
              cpu: 500m
          env:
            - name: LOG_LEVEL
              value: info
            - name: TAG
              value: v1.0.0
          ports:
            - containerPort: 3000
              protocol: TCP
          livenessProbe:
            failureThreshold: 3
            httpGet:
              path: /healthcheck/status
              port: 3000
            initialDelaySeconds: 10
            periodSeconds: 60
          readinessProbe:
            failureThreshold: 2
            httpGet:
              path: /healthcheck/status
              port: 3000
            initialDelaySeconds: 10
            periodSeconds: 30
---
# Service
apiVersion: v1
kind: Service
metadata:
  name: your-service
  namespace: your-namespace
  labels:
    app: your-application
spec:
  ports:
    - port: 80
      name: https
      targetPort: 3000
  selector:
    app: your-application
  type: ClusterIP
---
# Ingress
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    kubernetes.io/ingress.class: "private"
  labels:
    app: your-application
  name: your-ingress
  namespace: your-namespace
spec:
  rules:
    - host: your-application.vivareal.com.br
      http:
        paths:
          - backend:
              serviceName: your-service
              servicePort: 80
            path: /
---
# HPA
apiVersion: autoscaling/v1
kind: HorizontalPodAutoscaler
metadata:
  name: your-hpa
  namespace: your-namespace
spec:
  scaleTargetRef:
    apiVersion: apps/v1beta1
    kind: Deployment
    name: your-deployment
  minReplicas: 2
  maxReplicas: 200
  targetCPUUtilizationPercentage: 80
---
# PDB
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
  name: your-pdb
  namespace: your-namespace
spec:
  selector:
    matchLabels:
      app: your-application
  minAvailable: 50%