spring-file-system

start db and application
docker-compose up --build

POST /files

response 
{
    "id": 1
}

GET /files

response 
{
    "files": [
        {
            "id": 1,
            "name": "test.pdf",
            "size": 142316
        },
        {
            "id": 2,
            "name": "test2.pdf",
            "size": 120855
        }
    ]
}

GET /files/{id}
response type filestream

DELETE /files/{id}
response void