Week9 - Install ingress-nginx and config load-balancing

week9/install-ingress-nginx-and-cre-self-cert.sh

+# Run the kubectl command to create a namespace:
+kubectl create namespace ingress-nginx
+
+# Run the command to add the helm repository for the nginx Controller:
+helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx
+
+# Run the command to update the helm repository data:
+helm repo update
+
+# Run the command to install the Controller:
+helm install ingress-nginx ingress-nginx/ingress-nginx  \
+--namespace ingress \
+--set controller.ingressClassResource.name=nginx
+
+# Use this command to get the IP address:
+watch kubectl -n ingress get svc
+
+# Create self-signed certificate
+openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout tls.key -out tls.crt -subj "/CN=172.16.0.16.nip.io"
+
+# Create Kubernetes Secret from certificate
+kubectl create secret tls 172.16.0.16.nip.io --cert=tls.crt --key=tls.key

week9/load-balancing/my-nginx-deploy.yaml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: my-nginx
+spec:
+  selector:
+    matchLabels:
+      run: my-nginx
+  replicas: 2
+  template:
+    metadata:
+      labels:
+        run: my-nginx
+    spec:
+      containers:
+        - name: my-nginx
+          image: nginx
+          ports:
+            - containerPort: 80

week9/load-balancing/my-nginx-ingress.yaml

+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: my-nginx
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /
+spec:
+  ingressClassName: nginx
+  rules:
+    - host: 172.16.0.16.nip.io
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: my-nginx
+                port:
+                  number: 80

week9/load-balancing/my-nginx-svc.yaml

+apiVersion: v1
+kind: Service
+metadata:
+  name: my-nginx
+  labels:
+    run: my-nginx
+spec:
+  ports:
+    - port: 80
+      protocol: TCP
+  selector:
+    run: my-nginx

week9/load-balancing/patch-configmap.yaml

+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: ingress-nginx-controller
+  namespace: ingress-nginx
+data:
+  use-proxy-protocol: "true"