PiotrWald

#!/bin/bash

echo "Creating an SSH key for you..."
ssh-keygen -t rsa

printf "Please add this public key to Github"
printf "https://github.com/account/ssh"
read -pr "Press [Enter] key after this..."

echo "Installing xcode-stuff"

PiotrWald

curl -X POST -w "@curl-format.txt" -o /dev/null -s -F image=@example.png localhost:3000/uploads
time_total:  0.014959s

PiotrWald

class UploadsController < ApplicationController
  def create
    upload = Upload.new
    upload.image = params[:image]
    upload.save!

    head :ok
  end
end

PiotrWald

class PromoteJob
  include Sidekiq::Worker
 
  def perform(attacher_class, record_class, record_id, name, file_data)
    attacher_class = Object.const_get(attacher_class)
    record         = Object.const_get(record_class).find(record_id) # if using Active Record 
 
    attacher = attacher_class.retrieve(model: record, name: name, file: file_data)
    attacher.atomic_promote
  rescue Shrine::AttachmentChanged, ActiveRecord::RecordNotFound

PiotrWald

class Upload < ApplicationRecord
  include ImageUploader::Attachment(:image)
end

PiotrWald

require 'image_processing/mini_magick'
 
class ImageUploader < Shrine
  Attacher.derivatives do |original|
    magick = ImageProcessing::MiniMagick.source(original)
 
    { 
      small:  magick.resize_to_limit!(300, 300),
      medium: magick.resize_to_limit!(500, 500),
      large:  magick.resize_to_limit!(800, 800),

PiotrWald

require 'shrine'
require 'shrine/storage/file_system'
 
Shrine.storages = { 
  cache: Shrine::Storage::FileSystem.new('public', prefix: 'uploads/cache'), # temporary 
  store: Shrine::Storage::FileSystem.new('public', prefix: 'uploads'),       # permanent 
}
 
Shrine.plugin :activerecord # AR integration
Shrine.plugin :derivatives, create_on_promote: true # Save image in multiple versions

PiotrWald

require "image_processing/mini_magick"
 
class ImageUploader < Shrine
  Attacher.derivatives do |original|
    magick = ImageProcessing::MiniMagick.source(original)
 
    { 
      small:  magick.resize_to_limit!(300, 300),
      medium: magick.resize_to_limit!(500, 500),
      large:  magick.resize_to_limit!(800, 800),

PiotrWald

gem 'shrine', '~> 3.0'
gem 'sidekiq', '~> 6.1', '>= 6.1.2'
gem "image_processing", '~> 1.8' # Used to create image versions