One of the hardest things to learn as a developer is that the hard part of the job isn't writing the code. The hard part is learning to manage the code through its life stages and make it operate at scale in production without incident.
If you think your job is done when the code is merged, you're fooling yourself and harming your customers.
this is why I'm not a developer...I write a thing, use it, and abandon it... 😞