Demo

1. Create flask helloWorld app
2. Containerized in docker
3. Upload image -> AzureContainerRegistry
4. Create Azure Kubernetes Service
5. Deploy 2 k8s pods of our webapp with a LoadBalancer

Create flask helloWorld app

# create pyenv
pip install -r requirements.txt
python app.py
# access by http://localhost:80

Containerized in docker

sudo docker build -t my-aks-app .

sudo docker run -p 4000:80 my-aks-app
# access by http://localhost:4000

Upload image -> AzureContainerRegistry

az login

az acr show --name testmartinho --query loginServer --output table

sudo docker login testmartinho.azurecr.io

sudo docker tag my-aks-app:latest testmartinho.azurecr.io/test-aks:latest

sudo docker push testmartinho.azurecr.io/test-aks:latest

Create Azure Kubernetes Service

az acr repository list --name testmartinho --output table

• deployment.yaml
• azurePull

kubectl create secret docker-registry acr-secret \
  --docker-server=testmartinho.azurecr.io \
  --docker-username=testmartinho \
  --docker-password= \
  [email protected]

kubectl apply -f deployment.yaml

kubectl get pods

Deploy 2 k8s pods of our webapp with a LoadBalancer

• service.yaml

kubectl apply -f service.yaml

kubectl get svc my-aks-app-service

Troubleshouting

kubectl get deployment my-aks-app-deployment

kubectl describe pod [pod-name]