AIOHTTP alpine docker

app.py

#!/usr/bin/env python3

from aiohttp import web, ClientSession

PORT=8080


async def on_startup(app):
    print('Listening on port "%d"' % PORT)
    app['session'] = ClientSession()


async def on_cleanup(app):
    await app['session'].close()


async def on_shutdown(app):
    print('Shutting down...')


async def health(request):
    return web.json_response({'status_code': 200, 'response': 'OK'})


app = web.Application()
app.router.add_route('GET', '/health', health)
web.run_app(
    app,
    print=None,
    port=PORT,
    access_log_format='%a "%r" %s %b "%{Referer}i" "%{User-Agent}i"'
)

Dockerfile

FROM python:3-alpine

WORKDIR /app

COPY . .

RUN adduser appuser --disabled-password \
    --gecos "" --home /nonexistent \
    --shell /sbin/nologin --no-create-home \
    --uid 1000 \
    && YARL_NO_EXTENSIONS=1 MULTIDICT_NO_EXTENSIONS=1 pip install --no-cache-dir -r requirements.txt

USER appuser:appuser

ENTRYPOINT ["./app.py"]

requirements.txt

aiohttp==3.6.2