mini_paperclip with S3 compatible object storage

clip.png

docker-compose.yml

version: '3'
services:
  mini_paperclip:
    build: .
    command: bundle exec ruby script.rb
    depends_on:
      - minio
  minio:
    image: quay.io/minio/minio
    environment:
      MINIO_ROOT_USER: minioadmin
      MINIO_ROOT_PASSWORD: minioadmin
    command: server --console-address ":9001" /data
    ports:
      - "9000:9000"
      - "9001:9001"

Dockerfile

FROM ruby:2.7

WORKDIR /app

COPY Gemfile Gemfile.lock /app/
RUN bundle install

COPY . .
CMD bundle exec ruby script.rb

Gemfile

# frozen_string_literal: true

source "https://rubygems.org"

gem "mini_paperclip", git: "https://github.com/unasuke/mini_paperclip.git", branch: "s3_option"
gem "aws-sdk-s3"
gem "activerecord"
gem "actionpack"
gem "sqlite3"

Gemfile.lock

GIT
  remote: https://github.com/unasuke/mini_paperclip.git
  revision: 63f4360a5f9a48ca9254790870428da0d2e8f725
  branch: s3_option
  specs:
    mini_paperclip (0.3.1)
      activemodel
      activesupport
      aws-sdk-s3
      image_size
      mimemagic
      mini_magick

GEM
  remote: https://rubygems.org/
  specs:
    actionpack (7.0.3.1)
      actionview (= 7.0.3.1)
      activesupport (= 7.0.3.1)
      rack (~> 2.0, >= 2.2.0)
      rack-test (>= 0.6.3)
      rails-dom-testing (~> 2.0)
      rails-html-sanitizer (~> 1.0, >= 1.2.0)
    actionview (7.0.3.1)
      activesupport (= 7.0.3.1)
      builder (~> 3.1)
      erubi (~> 1.4)
      rails-dom-testing (~> 2.0)
      rails-html-sanitizer (~> 1.1, >= 1.2.0)
    activemodel (7.0.3.1)
      activesupport (= 7.0.3.1)
    activerecord (7.0.3.1)
      activemodel (= 7.0.3.1)
      activesupport (= 7.0.3.1)
    activesupport (7.0.3.1)
      concurrent-ruby (~> 1.0, >= 1.0.2)
      i18n (>= 1.6, < 2)
      minitest (>= 5.1)
      tzinfo (~> 2.0)
    aws-eventstream (1.2.0)
    aws-partitions (1.607.0)
    aws-sdk-core (3.131.2)
      aws-eventstream (~> 1, >= 1.0.2)
      aws-partitions (~> 1, >= 1.525.0)
      aws-sigv4 (~> 1.1)
      jmespath (~> 1, >= 1.6.1)
    aws-sdk-kms (1.57.0)
      aws-sdk-core (~> 3, >= 3.127.0)
      aws-sigv4 (~> 1.1)
    aws-sdk-s3 (1.114.0)
      aws-sdk-core (~> 3, >= 3.127.0)
      aws-sdk-kms (~> 1)
      aws-sigv4 (~> 1.4)
    aws-sigv4 (1.5.0)
      aws-eventstream (~> 1, >= 1.0.2)
    builder (3.2.4)
    concurrent-ruby (1.1.10)
    crass (1.0.6)
    erubi (1.10.0)
    i18n (1.12.0)
      concurrent-ruby (~> 1.0)
    image_size (3.0.2)
    jmespath (1.6.1)
    loofah (2.18.0)
      crass (~> 1.0.2)
      nokogiri (>= 1.5.9)
    mimemagic (0.4.3)
      nokogiri (~> 1)
      rake
    mini_magick (4.11.0)
    minitest (5.16.2)
    nokogiri (1.13.7-x86_64-linux)
      racc (~> 1.4)
    racc (1.6.0)
    rack (2.2.4)
    rack-test (2.0.2)
      rack (>= 1.3)
    rails-dom-testing (2.0.3)
      activesupport (>= 4.2.0)
      nokogiri (>= 1.6)
    rails-html-sanitizer (1.4.3)
      loofah (~> 2.3)
    rake (13.0.6)
    sqlite3 (1.4.4)
    tzinfo (2.0.4)
      concurrent-ruby (~> 1.0)

PLATFORMS
  x86_64-linux

DEPENDENCIES
  actionpack
  activerecord
  aws-sdk-s3
  mini_paperclip!
  sqlite3

BUNDLED WITH
   2.3.17
   

script.rb

require 'logger'
require 'aws-sdk-s3'
require 'active_record'
require 'action_dispatch'
require 'mini_paperclip'

logger = Logger.new(STDOUT)
logger.info "Prepare minio bucket"

aws_client = Aws::S3::Client.new(
  access_key_id: "minioadmin",
  secret_access_key: "minioadmin",
  endpoint: "http://minio:9000",
  region: "ap-northeast-1",
  force_path_style: true,
)
aws_client.create_bucket(bucket: "minio-bucket") unless aws_client.list_buckets.buckets.map(&:name).include?("minio-bucket")

logger.info "bucket created"

MiniPaperclip.config.tap do |config|
  config.storage = :s3
  config.url_scheme = 'http'
  config.s3_bucket_name = 'minio-bucket'
  config.url_path = ':class/:attachment/:hash.:extension'
  config.hash_secret = 'secret'
  config.s3_client_options = {
  access_key_id: "minioadmin",
  secret_access_key: "minioadmin",
  endpoint: "http://minio:9000",
  region: "ap-northeast-1",
  force_path_style: true,
  }
end

ActiveRecord::Base.establish_connection(adapter: "sqlite3", database: ":memory:")
ActiveRecord::Base.logger = Logger.new(STDOUT)
ActiveRecord::Schema.define do
  create_table :posts, force: true do |t|
    t.string :image_file_name
    t.string :image_content_type
    t.string :image_file_size
    t.datetime :image_updated_at
  end
end

class Post < ActiveRecord::Base
  extend MiniPaperclip::ClassMethods
  has_attached_file :image
end

file = ActionDispatch::Http::UploadedFile.new(
  filename: File.basename("clip.png"),
  type: "image/png",
  tempfile: File.open("clip.png")
)
logger.info file
post = Post.new
post.image = file
post.save