Default Backend of Ingress in Kubernetes

1. Summary

• 초 심플한 404 page 를 위한 웹 서비스
• Ingress 호출에 대해 404 page 를 대체하기 위한 Default Backend
• 특별한 옵션 및 환경설정 없이 있는 그대로 사용 가능

2. Screenshot

3. Usage

• Deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  name: default-backend
  namespace: default
spec:
  replicas: 1
  selector:
    matchLabels:
      app: default-backend
  template:
    metadata:
      labels:
        app: default-backend
    spec:
      containers:
      - name: default-backend
        imagePullPolicy: Always
        image: ghcr.io/newbiediver/default-backend:latest
        ports:
        - containerPort: 8000

• Service

apiVersion: v1
kind: Service
metadata:
  name: default-backend
  namespace: default
spec:
  selector:
    app: default-backend
  ports:
  - port: 8000

• Ingress (Ex> Nginx Ingress Controller)

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-example
  namespace: default
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  ingressClassName: nginx
  # 여기에 정의
  defaultBackend:
    service:
      name: default-backend
      port:
        number: 8000
  rules:
  - host: example.com
    http:
      paths:
      - pathType: Prefix
        path: /
        backend:
          service:
            name: example-service
            port: 
              number: 80

4. External Dependencies

• gin-gonic/gin
• HTML Template by Colorlib