Without docker deployment document requirement

As my server was a no docker environment, you know the docker will impact the iptables rule, As a network router server node, I don't want to install docker to my server node,

So could you provide a no docker installation document for PEEKAPING, I am very interesting into it.

Uptime also provided a no docker installation document: [Uptime Non-Docker install guide](https://github.com/louislam/uptime-kuma/wiki/%F0%9F%94%A7-How-to-Install#-non-docker)

Look at the existing Docker-based deployment setup in the repository to understand the application's runtime dependencies. Examine the project's build process (likely using Go modules) and how it is currently configured for Docker. The goal is to create a step-by-step guide for installing and running the application directly on a Linux server without Docker, similar to the linked Uptime Kuma example. Check for any existing scripts or documentation about dependencies, service management, and configuration.

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