Set CI env variables

[Uzlopak]

Prerequisites

• I have written a descriptive issue title
• I have searched existing issues to ensure the feature has not already been requested

🚀 Feature Proposal

Set Env variables liks CI, CI_REDIS, CI_MONGO etc. to make it possigle to detect runs in CI by the tests.

Motivation

I would lke to run fastify-session plugin one time with in in memory store and once with redis.

Example

No response

[Eomm]

The CI var is already there: https://docs.github.com/en/actions/learn-github-actions/environment-variables#default-environment-variables

[Uzlopak]

THe thing is: If I have the information, that I am in environment CI_REDIS, I can run unit tests, which need a redis server. Like fastify/session with redis session store.