Do you reimplement caching and data storage on every new project? Redis is just one example. Surely in any major project you've made use of a third party server

Do you reimplement caching and data storage on every new project? Redis is just one example. Surely in any major project you've made use of a third party server? Maybe not, but tons of projects do and I'm simply describing an easy way to manage those services in a development environment. What's so hard to understand about this?