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Task 1: Create a project jumphost instance

#Navigation menu > Compute engine > VM Instance
gcloud config set compute/zone us-east1-b
gcloud config set compute/region us-east1

gcloud compute instances create nucleus-jumphost \
	--machine-type f1-micro

Task 2: Create a Kubernetes service cluster

Init zone & region

gcloud config set compute/zone us-east1-b
gcloud config set compute/region us-east1

Create Kubernetest cluster

gcloud container clusters create nucleus-webserver1
gcloud container clusters get-credentials nucleus-webserver1

Deploy app

kubectl create deployment hello-app --image=gcr.io/google-samples/hello-app:2.0
kubectl expose deployment hello-app --type=LoadBalancer --port 8080
kubectl get service 

Task 3: Setup an HTTP load balancer

Create startup.sh

cat << EOF > startup.sh
#! /bin/bash
apt-get update
apt-get install -y nginx
service nginx start
sed -i -- 's/nginx/Google Cloud Platform - '"\$HOSTNAME"'/' /var/www/html/index.nginx-debian.html
EOF
  1. Create an instance template :
gcloud compute instance-templates create nginx-template \
	--metadata-from-file startup-script=startup.sh
  1. Create a target pool :
gcloud compute target-pools create nginx-pool
  1. Create a managed instance group :
gcloud compute instance-groups managed create nginx-group \
	--base-instance-name nginx \
	--size 2 \
	--template nginx-template \
	--target-pool nginx-pool \
	--zone us-east1-b

gcloud compute instances list
  1. Create a firewall rule to allow traffic (80/tcp) :
gcloud compute firewall-rules create www-firewall --allow tcp:80

gcloud compute forwarding-rules create nginx-lb \
	--region us-east1 \
	--ports=80 \
	--target-pool nginx-pool

gcloud compute forwarding-rules list
  1. Create a health check :
gcloud compute http-health-checks create http-basic-check

gcloud compute instance-groups managed \
	set-named-ports nginx-group \
	--named-ports http:80
	--zone us-east1-b
  1. Create a backend service and attach the manged instance group : Create backend service:
gcloud compute backend-services create nginx-backend \
	--protocol HTTP \
	--http-health-checks http-basic-check \
	--global

Move backend service to instance group nginx-group:

gcloud compute backend-services add-backend nginx-backend \
	--instance-group nginx-group \
	--instance-group-zone us-east1-b \
	--global
  1. Create a URL map and target HTTP proxy to route requests to your URL map :
gcloud compute url-maps create web-map --default-service nginx-backend

gcloud compute target-http-proxies create http-lb-proxy \
	--url-map web-map

8 .Create a forwarding rule :

gcloud compute forwarding-rules create http-content-rule \
	--global \
	--target-http-proxy http-lb-proxy \
	--ports 80

gcloud compute forwarding-rules list
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