blendlabs/ingress-nginx-catchall

blendlabs/ingress-nginx-catchall 镜像说明

镜像概述

该镜像为Blend品牌化的轻量级Nginx默认后端，专门适配Kubernetes环境中的Nginx Ingress控制器，作为未匹配到具体路由时的兜底服务，返回品牌化的统一响应内容。

核心功能

• 处理Kubernetes Nginx Ingress未匹配路由的所有请求
• 提供品牌定制化的默认响应页面
• 低资源占用，适合集群批量部署

使用场景

• Kubernetes集群中Nginx Ingress控制器的默认后端配置
• 统一管理无匹配路由的用户响应，提升服务一致性
• 品牌化展示未定义路由的提示信息

配置说明

Docker快速启动

bash
docker run -d -p 8080:80 blendlabs/ingress-nginx-catchall

Kubernetes部署示例

Deployment配置

yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: ingress-nginx-catchall
  namespace: default
spec:
  replicas: 2
  selector:
    matchLabels:
      app: ingress-nginx-catchall
  template:
    metadata:
      labels:
        app: ingress-nginx-catchall
    spec:
      containers:
      - name: main
        image: blendlabs/ingress-nginx-catchall
        ports:
        - containerPort: 80
        resources:
          limits:
            cpu: 100m
            memory: 128Mi
          requests:
            cpu: 50m
            memory: 64Mi

Service配置

yaml
apiVersion: v1
kind: Service
metadata:
  name: ingress-nginx-catchall
  namespace: default
spec:
  type: ClusterIP
  selector:
    app: ingress-nginx-catchall
  ports:
  - port: 80
    targetPort: 80

Ingress关联配置

在Ingress资源中指定默认后端：

yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: sample-ingress
  annotations:
    nginx.ingress.kubernetes.io/default-backend: ingress-nginx-catchall
spec:
  rules:
  - host: example.com
    http:
      paths:
      - path: /api
        pathType: Prefix
        backend:
          service:
            name: api-service
            port:
              number: 80