curl --header 'Name: Jennifer' --header 'Age: 30' --header 'Height: 1.7' --header 'Female: true' --header 'Id: 123' --header 'A-Null: null' --header 'Country: Italy' --header 'Planet: The Earth' --header 'Galaxy: Milky Way' --header 'Content-Type: application/json' --data $'{\n  "name": "Jennifer",\n  "age": 30,\n  "height": 1.7,\n  "female": true,\n  "id": "123",\n  "a_null": null,\n  "country": "Italy",\n  "planet": "The Earth",\n  "galaxy": "Milky Way"\n}' 'http://localhost:8000/variables'
curl 'http://localhost:8000/variable/country'
curl 'http://localhost:8000/variable/planet'
