[DependencyInjection] feat(env processor): add doc/help on APP_SECRET
env var not found exception
#57422
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APP_SECRET
env var that now may be undefinedHey, I've followed recently the work on this topic, ref one of my try on related issue
I tend to agree that, just throwing an ex here can be problematic/inappropriate, mostly for newcomers that never have read a thing related to this
Symfony .env APP_SECRET
Here is one attempt to fill the comment #56985 (comment)
Friendly ping @javiereguiluz @nicolas-grekas do you have a better wording/phrasing and is it the best place?
For documentation inside the doc repo, I have no idea where to define such message, any idea ?
in the env config part? or in the vault part? elsewhere?
ref symfony/symfony-docs#19916