Although I don't have experience with Vue and Rails specifically, I've always found it beneficial to have the front & backend separate. It's really nice have th

Although I don't have experience with Vue and Rails specifically, I've always found it beneficial to have the front & backend separate. It's really nice have the backend API completely decoupled from eachother. It also depends on what your goals are - for a personal project, do what you like! Whatever is quickest & easiest is best. For more public-facing services, I prefer to have the decoupled structure.