You could utilize the slanted-roof for passive solar heating. Canadian company NOMAD Homes has produced a new concept micro-home that measures just 100 sq ft sq m), ships as a flat-pack, can operate off-grid, and is said to be easy-to-build.
Container House - my bedroom deck Shipping container homes utilize the leftover steel boxes used in oversea transportation. Check out the best design ideas here. - Who Else Wants Simple Step-By-Step Plans To Design And Build A Container Home From Scratch?