Need guidance on my first project (Controlling a Servo over a WiFi network)

Hello team!

I'm very new to electronics projects, but I need to make a small "feature" for my work that would require some tinkering.

First of all a bit of context, I have a magnetic sensor, that I need to attach to a servo arm (I already have the servo, but not sure if there is any compatibility requirement), and thru a web interface hosted in my debian server I have at home, I want to send requests to Arduino over network to move the servo (and alter the magnetic sensor state this way).

What I need to understand and really can't find this exact use case is:

- How to connect Arduino to the servo to operate the moving of the arm (in 180º)

- How to send requests to Arduino over network for that.

- How to power the servo (will external power source be required? like a battery? or it can work thru Arduino's 5v?).

- Is Arduino the only option, or an ESP32 with WiFi could suit better for this type of projects?

Thanks in advance for any information or schemas!