0-nginx-all.yaml

---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - image: nginx
        name: nginx
        ports:
        - containerPort: 80
          protocol: TCP
        #changed https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#example-1
        resources:
          requests:
            memory: "64Mi"
            cpu: "250m"
          limits:
            memory: "128Mi"
            cpu: "500m"
        
---
apiVersion: v1
kind: Service
metadata:
  name: nginx
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 80
  selector:
    app: nginx
  sessionAffinity: None
  type: LoadBalancer 
---
# Ingress resource example changed

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  ingressClassName: nginx-example
  rules:
  - http:
      paths:
      - path: /testpath
        pathType: Prefix
        backend:
          service:
            name: test
            port:
              number: 80

#older example

# apiVersion: networking.k8s.io/v1
# kind: Ingress
# metadata:
#   name: nginx
#   annotations:
#     ingress.kubernetes.io/ssl-redirect: "false"
# spec:
#   rules:
#   - http:
#       paths:
#       - path: /
#         backend:
#           serviceName: nginx
#           servicePort: 80

# https://kubernetes.io/docs/reference/using-api/deprecation-guide/#ingress-v122
# Ingress resource example is replaced with this: https://kubernetes.io/docs/concepts/services-networking/ingress/#the-ingress-resource