### Основные понятия
HTTP - HyperText Transfer Protocol
Сервер - Клиент
JSON/XML
---
### Структура GET запроса
GET / HTTP/1.1
User-Agent: Mozilla/4.0
Host: example.com
Connection: Keep-Alive
---
### Структура POST запроса
POST / HTTP/1.1
Host: example.com
Content-Type: application/x-www-form-urlencoded
Content-Length: 13
say=Hello&to=World
---
### telnet
telnet myitschool.ru 80
GET / HTTP/1.1
host: myitschool.ru
> netstat -tp
---
### Ответы сервера
200
404
500
---
### Веб-сервер
Apache tomcat
Spring boot
> сервлет
{"metaMigratedAt":"2023-06-15T05:55:28.663Z","metaMigratedFrom":"Content","title":"Untitled","breaks":true,"contributors":"[{\"id\":\"f062c6c1-e30c-40b3-b02b-77f862255dc3\",\"add\":647,\"del\":106}]"}