If you're developing web applications with Python you might have heard about asyncio stack (Python 3, asyncio, aiohttp, uvloop, etc.). It allows developers to create websites without using Django, Flask or other synchronous web frameworks.
Let's talk about why asyncio stack became popular for web development among Pythonistas, especially in Eastern Europe (Ukraine, Russia, etc). I will tell you about projects that are using it and how they compare to more traditional ones.
I will also talk about lessons learned from developing, testing and deploying application used to sign legal documents online in Ukraine: aiohttp.