#2 Add db connection cleanup after query

[kelvin-wong]

close #2

gh-2

import asyncio

import requests

async def post_mail() -> None:
    post_mail_loop = asyncio.get_event_loop()
    futures = [
        post_mail_loop.run_in_executor(
            None,
            requests.post,
            'http://mail-test.localdev.com:4020/api/messages',
            {
                'from': 'from@example.com',
                'to': 'to@example.com',
                'subject': 'subject',
                'text': 'text',
                'html': 'html',
            },
        )
        for _ in range(2**8)
    ]
    await asyncio.gather(*futures)

loop = asyncio.get_event_loop()
loop.run_until_complete(post_mail())

Attached a python script for reproducing the case

[sampullman]

Thanks! I tested it and it looks like this solves the issue.

The test is good, it would be nice to have some unit tests in Go like that. I'll create an issue, though it's not too urgent.