In order to develop and test Redis caching locally, it would be great if developers' local environment included redis. - [ ] For non devcontianer users, add instructions to the Installation [section](https://github.com/GoogleChrome/chromium-dashboard#installation) regarding installing redis locally. - [ ] For devcontainer users, add redis to the docker-compose [file](https://github.com/GoogleChrome/chromium-dashboard/blob/main/.devcontainer/docker-compose.yml). [Examples](https://github.com/search?q=devcontainer+redis+language%3AYAML&type=code&l=YAML) of doing it for devcontainer. - [ ] For either devcontainer or non devcontainer users, allow users to start the server if redis is setup or not setup.