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Example of Kamal deployment from Github Actions.

Add your applications .env variables to the Github repo as a repository secret, you can find this under the repo settings => secrets and variables => actions

https://github.com/username/repo_name/settings/secrets/actions

you are going to need an ssh private key that your deployment server is aware of (add public key to servers .ssh/authorized_keys) and add the ssh private key as a repo secret

create action workflows

Singleton

Roll-your-own lazy singleton

public final class Single {
    private static Single INSTANCE;
    private Single() {}

Locate the section for your github remote in the .git/config file. It looks like this:

[remote "origin"]
	fetch = +refs/heads/*:refs/remotes/origin/*
	url = git@github.com:joyent/node.git

Now add the line fetch = +refs/pull/*/head:refs/remotes/origin/pr/* to this section. Obviously, change the github url to match your project's URL. It ends up looking like this:

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Colorable Grid</title>
	<style>
	#grid-container {
	margin: 0 0;
	padding: 0 0;

	# This script requires to have some basic Python skills
	# - Install python dependencies (thanks to TitwitMuffbiscuit on reddit) :
	# pip install nltk beautifulsoup4 googlesearch-python trafilatura wolframalpha
	#
	# If you get this error "Resource punkt not found", it's because Punkt sentence tokenizer for Natural Language Toolkit is missing.
	# Edit the file and add this before
	# from nltk.tokenize import word_tokenize ,
	# it will download the necessary english.pickle:
	# import nltk
	# nltk.download('punkt')

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Colorable Grid</title>
	<style>
	#grid-container {
	margin: 0 0;
	padding: 0 0;

	function Write-AnsiHyperlink {
	<#
	.SYNOPSIS
	Creates an ANSI Hyperlink in a supported terminal such as Windows Terminal 1.4
	#>
	[CmdletBinding()]
	param(
	#The Uri that you wish to have as part of the hyperlink
	[Parameter(Mandatory,ValueFromPipeline)][UriBuilder]$Uri,
	#The label text that will actually be shown in Windows Terminal

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Colorable Grid</title>
	<style>
	#grid-container {
	display: grid;
	grid-template-columns: repeat(5, 5px);

	import json, time
	from threading import Thread
	from websocket import create_connection, WebSocketConnectionClosedException


	def main():
	ws = None
	thread = None
	thread_running = False
	thread_keepalive = None