Probar POST

curl -X POST -H 'Content-Type: application/json' -d @datos.json http://127.0.0.1:3000/autos

Probar GET

curl http://127.0.0.1:3000/autos

Probar GET individual

curl http://127.0.0.1:3000/autos/100

Probar DELETE

curl -X DELETE http://127.0.0.1:3000/autos/666

Probar PUT

curl -X PUT -H 'Content-Type: application/json' -d @datos.json http://127.0.0.1:3000/autos/13