As previously discussed in PR #107, I am having trouble making webpack work with Rails in my development environment, which is Cloud 9. The problem seems to be that Cloud 9 only allows the 0.0.0.0 interface and a few ports (8080, 8081, etc.). Basically, I am experiencing the same problem as in this issue. It seems fixed they problem by adding webpack-dev-server/client?https://0.0.0.0:8080 as an en