To set a Set-Cookie header to the response.headers.
Signature:
response.set_cookie(name, value='', expires=0, path='/', domain=None,
secure=False, httponly=False, samesite=None)
Example:
# ...
@app.route('/hello')
async def hello_world(request, response):
response.set_cookie('foo', 'bar')
return 'Hello, World!'
# ...