hungle00

☁️ 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:

The content of this article is my last tech sharing with my team at https://pixta.vn/.

A block is a way of passing behavior rather than data to a method

Loosely speaking, every block in Ruby is a Proc object:

def my_method(&block)
  puts block.class
end

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

-E: will describe the underlaying queries of the \ commands (cool for learning!)
-l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)

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	_slideDown(this);
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	package main

	import (
	"golang.org/x/tour/tree"
	"fmt"
	)

	// Walk walks the tree t sending all values
	// from the tree to the channel ch.
	func Walk(t *tree.Tree, ch chan int) {

	FROM ruby:2.6.6-alpine3.12
	LABEL maintainer="hungle"

	# Minimal requirements to run a Rails app
	RUN apk add --no-cache --update build-base \
	linux-headers \
	git \
	postgresql-dev \
	nodejs \
	yarn \

	# https://hakibenita.com/fast-load-data-python-postgresql

	from typing import Iterator, Dict, Any, Optional
	from urllib.parse import urlencode
	import datetime


	#------------------------ Profile

	import time