MouWorks

# GKE Cloud Onboard

  • Declaritive configuration
    • Config as Code, IAC
    • You manage infra config, GKE handles how to achieve

  • Master Components

# Pod

  • One pod share IP

    • use localhost to talk to each other inside pod

  • pod yaml file

  • pod VS docker compose

# Volume

  • Share and restore data.

# Networking between pods

  • GKE uses iptable

# Cluster Overview

# controllers

# apiserver

# etcd

# scheduler

# pod -> provide storage and network

# who decides where to run pods?

  • scheduler

# GKE Security

# UserAccount

  • cannot user kubectl

# ServiceAccount

  • only k8s entities

# Default needs to tune

#

  • Security
    • project
    • applicaton
    • cluster

#

  1. export ${PROJECT_ID}
  2. docker build and just push to gcr

# Steps:

  1. enable registry api:
gcloud service enable containerregistry.googleapi.com
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  1. authorize docker
gcloud auth configure-docker
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  1. push
docker push gcr.io/${PROJECT_ID}/hello-app:v1
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# Spinup GKE

  • init k8s cluster
gcloud container clusters create cliuster-1 --num-nodes 3
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  • create deployment
kubectl create deployment hello-app --image=gcr.io/${project_ID}/hello-app/v1
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  • expose deployment
kubectl expose deployment hello-app --name hello-app-service --type=LocaBalancer --port 80 --target-port 8080
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  • list all service
kubectl get service
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  • list all pods
kubectl get pods
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  • scale
kubectl scale deployment ${deployment-name} --replica=3
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  • set auto-scale
kubectl autoscale deployment helo-app --cpu-precent=80 --min=1 --max=5
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# Anthos

# Knative

  • build/run/deploy serverless
  • cloud run for anthos

# Comparison

  • convert docker-compose to gke https://kubernetes.io/docs/tasks/configure-pod-container/translate-compose-kubernetes/