microservices-spring-k8s-gateway

Type	Name	Description	Status
Lib	lib-common-exception	Handles all exceptions for the services it imports	Finished
Service	Microservice-gateway	Service that forwards incoming requests to the appropriate destination	TODO
Service	Microservice-user	Service to manage users	Finished
Service	Microservice-course	Service to manage courses	TODO

Technologies used in microservices

Tecnology	Version	Site
Java Openjdk	11	https://openjdk.org/
Spring Boot	2.7.3	https://spring.io/projects/spring-boot
Spring Cloud	2021.0.3	https://spring.io/projects/spring-cloud
Spring Cloud Kubernetes	2.1.3	https://spring.io/projects/spring-cloud-kubernetes
Spring Webflux	2.7.3	https://docs.spring.io/spring-boot/docs/2.1.x/reference/html/boot-features-testing.html
OpenApi 3	1.6.11	https://springdoc.org/
Hateoas	1.6.11	https://docs.spring.io/spring-hateoas/docs/current/reference/html/
PosrgreSQL	13	https://www.postgresql.org/
Flyway	9.18.0	https://flywaydb.org/documentation/usage/plugins/springboot
Docker	-	https://www.docker.com/
Docker Compose	3.x	https://docs.docker.com/compose/
Google Jib	3.3.0	https://github.com/GoogleContainerTools/jib
Minikube	-	https://minikube.sigs.k8s.io/docs/start/

Install + start minikube

Install minikube https://minikube.sigs.k8s.io/docs/start/

Start minikube

$ minikube start --cpus 2 --memory 8192

Show status minikube

$ minikube status

Stop minikube

$ minikube stop

Kubernetes - commands

Apply configuration file (deployment.yaml, service.yaml, secret.yaml, etc)

$ kubectl apply -f deployment-name.yaml

List (pod, service e deployment)

$ kubectl get all

List only pods

$ kubectl get pod

List only services

$ kubectl get services

List only deployments

$ kubectl get deployment

Show configmap

$ kubectl describe configmaps [name-configmap]

Delete deployment, service, secret, etc

$ kubectl delete [deployment] [deployment-name]

Show url service

$ minikube service [service-name] --url

Interactive pod - postgreSQL

$ kubectl exec -it [pod-name] -- psql -h localhost -U admin --password -p 5432 postgres

Create account Docker Hub

https://hub.docker.com/

Google Container Tools jib - commands

Create package .jar

$ mvn clean install

Send image to docker hub (configured in pom.xml)

$ mvn compile jib:build

Start project local

to-do

Start project with k8s

to-do

Postman collections

to-do