When you use relative include paths in your code, you bind each source code file to its current location in the project’s file layout. You relegate yourself to having to run it from a very specific location on the file system. You generally make it unnecessarily difficult to automate running your application (or its tests) outside your development environment, such as in platform-as-a-service environments. You make things like Docker not just helpful, but necessary. So stop doing that. You ...
