curl http://localhost:8080/

curl -H "Content-Type: application/json" -X POST -d '{
    "firstName": "Bruno",
    "lastName": "Krebs"
}'  http://localhost:8080/

curl -X DELETE http://localhost:8080/1

curl -H "Content-Type: application/json" -X PUT -d '{
    "id": 6,
    "firstName": "Bruno",
    "lastName": "Simões Krebs"
}'  http://localhost:8080/6