The Rails core team takes security very seriously which means that we have a great foundation to build our apps on. Thanks to them, we didn't need to focus on security vulnerabilities in our early stage of development. But the more code we write on top of core, the more we risk introducing a vulnerability into our web application.
At Wootric we've been huge fans of PostgreSQL from day one, and we still are. It's a robust and reliable fully-featured open source database and in most cases it fulfills all the data storage needs for your application. On the other hand, we work on getting customer feedback such as NPS at a huge scale, so it was only a matter of time until we started experiencing the first performance issues[…]