Survey app microservice

Typescript, Expressjs, mongodb, Docker, Kubernetes (azure kubernetes service), Terraform, github actions

Getting started

local

---

Prequisites

1. install docker

2. install minikube

3. install kubectl

4. install skaffold

clone the repo and cd to folder

git clone https://github.com/b-haytham/survey-app-api.git && cd survey-app-api

start minikube kubernetes cluster

minikube start

enable minikube ingess addon

minikube addons enable ingess

get cluster EXTERNAL_IP

minikube ip

add this line to /etc/hosts

<EXTERNAL_IP> survey.dev

apply secret objects needed for microserices

kubectl create secret generic jsonwebtoken-secret --from-literal=JWT_SECRET=<longstringsecret>

kubectl create secret generic cookie-secret --from-literal=COOKIE_SECRET=<longstringsecret>

set minikube env

eval $(minikube docker-env)

run project

skaffold dev

after buiding images and stabilizing deployment test the app

curl --header "Content-Type: application/json" \
  --request POST \
  --data '{"name":"name","password":"password", email: email@email.com}' \
  https://survey.dev/api/organizations/register

Azure kubernetes service

---

Prequisites

1. install kubectl

2. install azure cli

3. install terraform

4. install helm

login azure

az login

before provisioning the cluster change variables names to your need in ./infrastructure/terraform/vars.tf

provision kubernetes cluster and container registery attach to it

terraform init
terraform plan
terraform apply

connect to your cluster

az aks get-credentials --resource-group <YOUR_CLUSTER_RESOURCE_GROUP> --name <YOUR_CLUSTER_NAME>

deploy nginx ingress controller

    helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx

# Use Helm to deploy an NGINX ingress controller
helm install nginx-ingress ingress-nginx/ingress-nginx \
    --set controller.replicaCount=2 \
    --set controller.nodeSelector."beta\.kubernetes\.io/os"=linux \
    --set defaultBackend.nodeSelector."beta\.kubernetes\.io/os"=linux \
    --set controller.admissionWebhooks.patch.nodeSelector."beta\.kubernetes\.io/os"=linux

create azure storage account

    az storage account create \
    --name <account-name> \
    --resource-group <resource-group-name> \
    --location westus \
    --sku Standard_LRS \
    --kind StorageV2

variable to change in infrastructure/remote-aks/ :

• location and storage account name in admin-azure-hdd.yaml eg. 'westus'
• cookie secret in coookie-secret.yaml
• jwt secret in jwt-secret.yaml
• azure container registry server name in users/users-depl.yaml
• azure container registry server name in survey/survey-depl.yaml
• azure container registry server name in mailer/mailer-depl.yaml
• azure container registry server name in organizations/organization-depl.yaml
• azure container registry server name in admins/admins-depl.yaml

create k8s wokloads

kubectl apply -f remote-aks -f remote-aks/admins -f remote-aks/mailer -f remote-aks/organizations -f remote-aks/survey -f remote-aks/users