This is how I make my coffee: I put some ground coffee in a one liter Nalgene bottle and add boiling water. When the coffee grounds sink to the bottom, after a few minutes, I pour some of it into a cup and drink.
This works really well for me because my cabin is often literally freezing in the mornings and the hot Nalgene bottle serves double duty as a hot water bottle to warm me up while it brews my coffee.
Don’t worry about the Nalgene bottle getting soft and a little deformed; it will pop back and regain it’s original shape later. I have poured boiling water into Nalgene bottles hundreds if not thousands of times and have never had one fail me.
Related post: The better Nalgene