Given the significance of General Soleimani and the passions that his killing aroused - Iran's military strike against US bases in Iraq was a modest response.
The attack was clearly timed to cause as few casualties as possible. Both the US and Iran - for all their rhetoric - do not want a wider conflict. So maybe a line can be drawn under this matter for now.
https://www.bbc.co.uk/news/world-middle-east-51028954