[🚀 Feature]: Document how to configure Relay Nodes

Feature and motivation

I currently want to setup a Relay node and configure it to connect with Appium. In order to do this, I need to set the following configuration.

[node]
detect-drivers = false

[relay]
# Default Appium/Cloud server endpoint
url = "http://localhost:4723/wd/hub"
status-endpoint = "/status"
# Optional, enforce a specific protocol version in HttpClient when communicating with the endpoint service status (e.g. HTTP/1.1, HTTP/2)
protocol-version = "HTTP/1.1"
# Stereotypes supported by the service. The initial number is "max-sessions", and will allocate 
# that many test slots to that particular configuration
configs = [
  "5", "{\"browserName\": \"chrome\", \"platformName\": \"android\", \"appium:platformVersion\": \"11\"}"
]

I am unable to figure out from the documentation how this is possible for the Helm Chart.

Usage example

I should be able to configure Relay config.toml for Relay Nodes.

[github-actions]

@biggiethehacker, thank you for creating this issue. We will troubleshoot it as soon as we can.

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Thank you!

[VietND96]

Basically, those are ENV vars exposed, you can check https://github.com/SeleniumHQ/docker-selenium?tab=readme-ov-file#node-configuration-relay-commands

Ahh okay! I was a little confused by it and thought I had to set the config files as described. Thanks for your help. All clear now

@VietND96 sorry for the direct tag. Do you know how it would be possible to have different relay nodes linked to different appium instances? Let's say I have two separate appium instances with different hosts and ports, how can I provision separate relay nodes for each?

[github-actions]

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