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Bank

Projeto para simular empréstimos financeiros em um banco para clientes

Tecnologias Utilizadas

  1. Golang
  2. MongoDB
  3. RabbitMQ
  4. Github Actions
  5. Docker Hub
  6. Docker
  7. Kubernetes
  8. Minikube

Funcionalidades

  1. Registrar cliente
  2. Buscar cliente por documento
  3. Solicitar empréstimo
  4. Aprovar/Reprovar empréstimos
  5. Listar empréstimos de um cliente

Desenho da Solução

Executar em ambiente local (Docker Compose)

  1. Na raiz do projeto executar o seguinte comando: 
    docker-compose up -d

Executar em ambiente local (Minikube)

  1. Instalando minikube (Windows)

    choco install minikube

  2. Instalando kubernetes-cli (Windows)

    choco install kubernetes-cli

  3. Para iniciar o ambiente minikube (local)

    minikube start

  4. Para aplicar os manifestos do k8s

    kubectl apply -f .\.k8s\metrics\ -R
kubectl apply -f .\.k8s\namespaces\ -R
kubectl apply -f .\.k8s\deployments\ -R -n bank
kubectl apply -f .\.k8s\services\ -R -n bank
kubectl apply -f .\.k8s\certmanager\ -R -n bank
kubectl apply -f .\.k8s\ingress\ -R -n bank
kubectl apply -f .\.k8s\hpas\ -R -n bank

  5. Habilitar dashboard kubernetes

    minikube dashboard
minikube tunnel

  6. Habilitar portas dos serviços para utilizar localmente

    minikube service mongodb-service -n bank
minikube service rabbitmq-service -n bank
minikube service customer-api-service -n bank
minikube service loan-api-service -n bank

  7. Alternando entre contextos

    kubectl config get-contexts
kubectl config use-context (nome do contexto)

  8. Listando pods

    kubectl get pods -n bank

  9. Listando services

    kubectl get svc -n bank

  10. Listando hpa (HorizontalPodAutoscaler)

    kubectl get hpa -n bank

Microsoft Azure (AKS)

  1. Autenticação no azure (Precisamos instalar o (Azure CLI) 
    az login
  2. Obtendo credenciais do cluster AKS 
    az aks get-credentials --resource-group $RESOURCE_GROUP --name $NAME
  3. Instalando nginx (Nginx) 
    kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.0.0/deploy/static/provider/cloud/deploy.yaml
  4. Instalando cert-manager (Cert-Manager) 
    kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.5.3/cert-manager.yaml

Habilitando Istio

  1. Instalando istio 
    istioctl install --set profile=default -y
  2. Habilitando no namespace 
    kubectl label namespace <namespace> istio-injection=enabled
  3. Habilitando Prometheus 
    kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.11/samples/addons/prometheus.yaml
istioctl dashboard prometheus
  4. Habilitando Grafana 
    kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.11/samples/addons/grafana.yaml
istioctl dashboard grafana
  5. Habilitando Kiali 
    kubectl apply -f https://raw.githubusercontent.com/istio/istio/release-1.11/samples/addons/kiali.yaml
istioctl dashboard kiali

Executar teste de carga (Artillery.io)

  1. Executando o teste de carga 
    artillery run -o artillery-report.json artillery.yaml