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devops-learning's Introduction

DevOps training

Docker Images Build

  1. single stage build Docker image
    1. go to directory go-simple-single-stage-build
    2. try to run docker build -t go-simple-single-stage:latest .
    3. check image size docker images go-simple-single-stage
    4. try to run container docker run go-simple-single-stage
  2. multi stage build Docker image
    1. go to directory go-simple-multi-stage-build
    2. try to run docker build -t go-simple-multi-stage:latest .
    3. check image size docker images go-simple-multi-stage
    4. try to run container docker run go-simple-multi-stage

Docker-compose test sandbox

  1. go to directory devops-go-example
  2. explore application
  3. to run test docker-compose -f docker-compose.test.yml up --build --abort-on-container-exit --exit-code-from it_tests
  4. to tear down docker-compose -f docker-compose.test.yml down

Install SonarQube

  1. use AWS AMI from Bitnami
  2. make sure to assign public IPv4
  3. get password by sudo cat /home/bitnami/bitnami_credentials
  4. login to web console via EC2 public IPv4

IaC Terraform

  1. go to terraform-iac
  2. do brew install awscli
  3. run aws configure
  4. run terraform plan
  5. run terraform apply
  6. let explore AWS Web Console

IaC Terraform Cloud

  1. go to cloud https://www.terraform.io
  2. go to AWS Web Console > Security credentials
  3. config secret AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY as sensitive environment variable
  4. do provisioning
  5. Install Kubectl command (brew install kubectl)
  6. Install AWS CLI
  7. run aws configure, if not setting yet.
  8. run aws eks update-kubeconfig --region ap-southeast-1 --name eks-devops-cluster
  9. try with kubectl get node

Install ArgoCD

  • make sure Kubernetes Cluster is ready to use.
  1. run kubectl create namespace argocd
  2. run kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml
  3. forward port kubectl port-forward svc/argocd-server -n argocd 8080:443
  4. get password kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d; echo

Explore CI

  1. devops-go-example
  2. check .github/cicd.yml
  3. add remote repository
  4. push

Explore CD

  1. Config Github Action Secret PAT (Personel Access Token) and make sure SONAR_TOKEN and SONAR_HOST_URL was config.
  2. devops-go-example
  3. check .github/cicd.yml
  4. uncomment CD block
  5. add remote repository
  6. push

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