This blend may be more useful to those planning on building their own shipping container home. It has the container, framing, insulation and interior walls. All you need to do is cut holes for your doors and windows. Then simply add the fittings how you like.

This blend shows how I fitted it out
https://www.blendswap.com/blend/23386

Credits:
Door model - CGCookie
https://www.blendswap.com/blends/view/92448

Wood texture - Poliigon
https://www.poliigon.com/texture/wood-quartered-chiffon-001

Spray foam texture - 3D Textures
https://3dtextures.me/2018/02/26/snow-001/

Pink batts texture - alibaba
https://www.alibaba.com/product-detail/Pink-Batts-Ceiling-insulation-best-price_60572507561.html

Normal map generator - Cpetry
https://cpetry.github.io/NormalMap-Online/