This project contains:

• Infrastructure as code using Terraform that builds an environment on the google cloud platform
• Demo app with Dockerfile
• Kubernetes YAML files for deploying the demo app

• Terraform
• GCP
• Docker
• kubernetes
• python

• Using Git, clone the project.

  git clone https://github.com/AmrTarek17/GCP-Terraform.git
  

• First setup your GCP account, create new project and change the value of "project_name" variable in terraform.tfvars with your PROJECT-ID.

• Second build the infrastructure by run

  cd GCP-Terraform/

  terraform init
  terraform apply
  

  that will build:

  • VPC named "vpc-network"

  • 2 Subnets "management-sub", "restricted-sub"

  • 3 Service Accounts

    • "gke-sa" used by Kubernetes cluster
    • "gke-management-sa" used by Management VM
    • "docker-gcr-sa" we will use it to push the image to GCR

  • NAT in "management-sub"

  • Private Virtual Machine in "management-sub" subnet to manage the cluster.

  • Private Kubernetes cluster in "restricted-sub" with 3 worker nodes.

    # NOTE
    Only VMs in "management-sub" subnet can access the Kubernetes cluster.

  you can change some variables values in "terraform.tfvars"

• Build the Docker Image by run

  docker build -t eu.gcr.io/<PROJECT-ID>/my-app:1.0 src/

• pull Redis image and tag it

  docker pull redis:5.0
  docker tag redis:5.0 eu.gcr.io/<PROJECT-ID>/redis:5.0

• Setup credentials for docker to Push to GCR using "docker-gcr-sa" Service Account

  gcloud auth activate-service-account docker-gcr-sa --key-file=KEY-FILE
  gcloud auth configure-docker
  

• Push the Images to GCR

  docker push eu.gcr.io/<PROJECT-ID>/my-app:1.0
  docker push eu.gcr.io/<PROJECT-ID>/redis:5.0
  

• After the infrastructure got built, now you can login to the "management-vm" VM using SSH then:

  • setup cluster credentials

    gcloud container clusters get-credentials app-cluster --zone europe-west1-c --project <PROJECT-ID>
    

  • Change image in "k8s-yaml-files/deployments/app-deployment.yaml" with your image

  • Change image in "k8s-yaml-files/deployments/redis-pod.yaml" with your image

  • Upload the "k8s-yaml-files" dir to the VM and run

    kubectl apply -f k8s-yaml-files/
    

    that will deploy:

    • Config Map for environment variables used by demo app
    • Redis Pod and Exopse the pod with ClusterIP service
    • Demo App Deployment and Exopse it with NodePort service
    • Ingress to create HTTP loadbalancer

Now, you can access the Demo App by hitting the Ingress IP

You can try my deployed demo from here And you can brows my Demo ScreenShots folder from GCP-Terraform/ScreenShots