Function main

example/deployment/heroku/app.py:15–20

()

async def main():
    port = int(os.environ["PORT"])
    async with serve(echo, "localhost", port) as server:
        loop = asyncio.get_running_loop()
        loop.add_signal_handler(signal.SIGTERM, server.close)
        await server.wait_closed()


if __name__ == "__main__":