curl --location --request POST '/api/v1/board/posts' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"opinion": "string",
"content": "string",
"stockId": 0
}'
{
"postId": 0,
"opinion": "string",
"content": "string",
"createdAt": "2019-08-24T14:15:22Z",
"isDeleted": true,
"stockId": 0,
"userId": 0
}