Workshop Docker and Kubernetes

• REST API with NodeJS
• Database with PostgreSQL
• Build with Docker
• Deploy with Kubernetes
  • Pod
  • Service
  • Deployment and ReplicaSet
  • ConfigMap and Secret
  • Volume and Persistent volume

Build image with docker compose

$docker compose build app

Create containers with docker compose

• app
• db

$docker compose up -d
$docker compose ps
NAME                         IMAGE                      COMMAND                  SERVICE   CREATED          STATUS                    PORTS
demo-nodejs-postgres-app-1   demo-nodejs-postgres-app   "docker-entrypoint.s…"   app       52 seconds ago   Up 33 seconds             0.0.0.0:3000->3000/tcp, [::]:3000->3000/tcp
demo-nodejs-postgres-db-1    postgres:18                "docker-entrypoint.s…"   db        2 minutes ago    Up 38 seconds (healthy)   5432/tcp

Push image to docker hub

$docker compose push