curl -XPOST http://localhost:3000/graphql
-H 'content-type: application/json'
-d '{"query":"{movie(id: 1){title}}","variables":null,"operationName":null}'
curl -XPOST http://localhost:3000/graphql
-H 'content-type: application/json'
-d '{"query":"query ($id: Int!) {movies(year: $id){title}}","variables":"{"id": 1981}","operationName":null}'