Debating best tool to use

KL <deco33000@...>

I plan to have a minimal embedded system with BT, wifi, no gui, to host my application with my own webserver.
My webserver+app are responsible to manage the OS (so I don't want anything else to do it). They receive new programs and load them according to my rules (that is our manager at work).
I would like to avoid the plague of multiple configuration files put everywhere in files (like now in different profile directories...), but instead have my custom manager handle ALL the different settings for the OS (centralized point).
We, at the office, compile and maintain the different software needed and send them by wifi.
I want that OS to be built on top of Linux.
Would Yocto enable me to do that? Is it the best tool for that?

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