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