In this final chapter, we reviewed and elaborated on some of the best practices that we used while building the MERN applications in this book, highlighted areas of improvement, gave pointers to address issues that may crop up when applications grow, and, finally, set down steps to continue developing more features into the existing applications.

We saw that modularizing the application's code structure helped to extend the application easily, choosing to use JSS over inline CSS and external style sheets kept the styling code contained and easy to work with, and only implementing server-side rendering for specific views as required kept unnecessary complications out of the code.

We discussed the benefits of creating fewer stateful components that are composed of smaller and more defined stateless functional components, and how this can be applied while refactoring...