ArjunDandagi

☁️ How I got off the cloud and migrated everything from AWS to a VPS in Hetzner

This is an opinionated handbook on how I migrated all my Rails apps off the cloud and into VPS.

This is how I manage real production loads for my Rails apps. It assumes:

• Rails 7+
• Ruby 3+
• PostgreSQL
• Ubuntu Server 24.04
• Capistrano, Puma, Nginx

ArjunDandagi

Keybase proof

I hereby claim:

• I am arjundandagi on github.
• I am arjundandagi (https://keybase.io/arjundandagi) on keybase.
• I have a public key whose fingerprint is 778B 3355 74A7 0B37 E12D 77B3 972E 9814 C4DA 4A49

To claim this, I am signing this object:

ArjunDandagi

apiVersion: v1
data:
  configManagementPlugins: |
    - name: decider2
      generate:
        command: ["/bin/bash","-c",'rgrep prod ../apps/ &>/dev/null || exit 0 ; for i in *.yaml;do cat $i;echo ---;done']
kind: ConfigMap
metadata:
  labels:
    app.kubernetes.io/name: argocd-cm

ArjunDandagi

#!/bin/bash

# Get directory of script
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

if [[ $# -ne 1 ]]
then
    echo "ERROR: This script expects the namespace name to be given as an argument"
    echo "e.g. ./ecr-cred-updater.sh my-namespace"
    exit 1

ArjunDandagi

require "formula"
require_relative "lib/private_strategy"

class Hoge < Formula
  homepage "https://github.com/yourcompany/hoge"
  url "https://github.com/yourcompany/hoge/releases/download/v0.1.0/hoge_v0.1.0_darwin_amd64.tar.gz", :using => GitHubPrivateRepositoryReleaseDownloadStrategy
  sha256 "6de411ff3e4b1658a413dd6181fcXXXXXXXXXXXXXXXXXXXX"
  head "https://github.com/yourcompany/hoge.git"
  version "0.1.0"

ArjunDandagi

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.3.2.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>

ArjunDandagi

How to create a maven repository for your github project step by step

Clone your project in a separate folder

(note: replace ORGANIZATION and PROJECT)

git clone git clone [email protected]:ORGANIZATION/PROJECT.git my-repository

Cd into it

ArjunDandagi

#!/bin/bash

# Example for the Docker Hub V2 API
# Returns all imagas and tags associated with a Docker Hub user account.
# Requires 'jq': https://stedolan.github.io/jq/

# set username and password
UNAME=""
UPASS=""

ArjunDandagi

#!/bin/bash

# Example for the Docker Hub V2 API
# Returns all images and tags associated with a Docker Hub organization account.
# Requires 'jq': https://stedolan.github.io/jq/

# set username, password, and organization
UNAME=""
UPASS=""
ORG=""

ArjunDandagi

import tweepy

class TwitterFollow(object):
    def __init__(self):
        consumer_key = "GYYNimu/ExAMPLE/"
        consumer_secret = "QYRC39S84T8zycck2/EXAMPLE/"
        access_token = "417735939-tfBA/EXAMPLE/"
        access_token_secret = "59kGZexvIRJE/EXAMPLE/"
        auth = tweepy.OAuthHandler(consumer_key,consumer_secret)
        auth.set_access_token(access_token,access_token_secret)