Ingress (NGINX)

Route external HTTP traffic to cluster Services via Ingress controller

📋Configuration Files

Ingress.yml

yaml

1apiVersion: networking.k8s.io/v1
2kind: Ingress
3metadata:
4  name: minimal-ingress
5  annotations:
6    nginx.ingress.kubernetes.io/rewrite-target: /
7spec:
8  rules:
9    - http:
10        paths:
11          - path: /testpath
12            pathType: Prefix
13            backend:
14              service:
15                name: test
16                port:
17                  number: 80

Ingress: minimal vs production

What to add before production merge

Aspect	Minimal	Production
TLS	HTTP only	cert-manager ClusterIssuer + tls: block
Annotations	basic routing	rate limits, body size, timeout, WAF if needed
Backend	single service	health-checked service + correct port name
DNS	manual /etc/hosts	Route53 or Cloudflare pointing to LB

📄

Step 01

Deploy Ingress

(01)Install NGINX Ingress Controller

Linux

1kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.11.1/deploy/static/provider/cloud/deploy.yaml
2kubectl wait --namespace ingress-nginx --for=condition=ready pod --selector=app.kubernetes.io/component=controller --timeout=120s

(02)Apply Ingress resource

Linux

1kubectl apply -f Ingress.yml
2kubectl get ingress
3kubectl describe ingress minimal-ingress