trungng1992

# What is bastiot host?

Bastion host is usually public-facing, hardened systems that serve as an entrypoint to systems behind a firewall or other restricted location, and they are especially popular with the rise of cloud computing

# Proxy Jump

## Command
```
$ ssh -J <bastion_host> <remote-host>
```

trungng1992

Scale Out and Update a Containerized Application on a Kubernetes Cluster

##### Download source code web-v2
$ gsutil cp gs://$DEVSHELL_PROJECT_ID/echo-web-v2.tar.gz .
$ tar -zxvf echo-web-v2.tar.gz
$ gcloud builds submit --tag gcr.io/$DEVSHELL_PROJECT_ID/echo-app:v2 .


##### Update deploy to new version
$ kubectl set image deployment/echo-web echo-app=gcr.io/$DEVSHELL_PROJECT_ID/echo-app:v2

trungng1992

# Step 1

Run google cloud shell

$ gcloud config set compute/zone us-central1-a


On google console -> Navigation menu -> Kubernetes Engine -> Cluster

Chose create cluster with gke standard.