joaovbrandon / nodejs-with-postgres-api-example

Mini k8s course (start from an example - node.js app with Postgres, Hapi.js and Swagger)

Mini k8s course

Studying k8s with the mini course by Erick Wendel.

Project started from an example repository.

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Notes: Kubernetes - k8s - minikube

pvc = persistent volume claim

# minikube start
# minikube dashboard
# minikube service <service_name> --url
# minikube delete

# kubectl get nodes
# kubectl get nodes -w
# kubectl get sts
# kubectl get sts -w
# kubectl get svc
# kubectl get svc -w
# kubectl get deploy
# kubectl get deploy -w
# kubectl get pod
# kubectl get pod -w

# kubectl describe nodes
# kubectl describe sts <sts_name>
# kubectl describe svc <svc_name>
# kubectl describe deploy <deploy_name>
# kubectl describe pod <pod_name>

# kubectl logs <pod_name>
# kubectl logs -f <pod_name>

# kubectl create -f file.json
# kubectl apply -f file.json

# kubectl delete -f .
# kubectl create -f .

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Node.js with Postgres Example

Requirements

• Node.js v8+ or Docker and Docker Compose
• Postgres running on local instance or Docker

Running on localMachine

• Install dependencies - npm i
• Run project - npm start

OR: Docker

• docker-compose up

OR: Alternatives on pulling from Docker hub

• Docker hub image: erickwendel/nodejs-with-postgres-api-example

docker run -d -p 5432:5432 --name postgres \
    --env POSTGRES_PASSWORD=mysecretpassword \
    --env POSTGRES_DB=heroes\
    postgres

docker run -p 3000:3000 \
    --link postgres:postgres \
    -e POSTGRES_HOST=postgres:mysecretpassword@postgres:5432 \
    -e POSTGRES_DB=heroes \
    -e POSTGRES_SSL=false \
    erickwendel/nodejs-with-postgres-api-example:latest

Viewing

• Go to swagger page - localhost:3000/documentation