[15]画像アップロード<< [ホームに戻る] >> [17]電話番号カラム追加
herokuにアプリケーションをデプロイすると画像をローカルに保存することができません。
それに対応するため、アップロードした画像を全てアマゾンS3に保存するよう設定します。
アマゾンS3のキーの取得方法は以下の手順でお願いします。
mrradiology.hatenablog.jp
GemFileに以下の記述を追加して下さい。
記述追加 GemFile(67行目)
gem "aws-sdk"
GemFile
source 'https://rubygems.org' git_source(:github) { |repo| "https://github.com/#{repo}.git" } ruby '2.6.3' # Bundle edge Rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '~> 6.0.3' # Use postgresql as the database for Active Record gem 'pg', '>= 0.18', '< 2.0' # Use Puma as the app server gem 'puma', '~> 4.1' # Use SCSS for stylesheets gem 'sass-rails', '>= 6' # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker gem 'webpacker', '~> 4.0' # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks gem 'turbolinks', '~> 5' # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder gem 'jbuilder', '~> 2.7' # Use Redis adapter to run Action Cable in production # gem 'redis', '~> 4.0' # Use Active Model has_secure_password # gem 'bcrypt', '~> 3.1.7' # Use Active Storage variant # gem 'image_processing', '~> 1.2' # Reduces boot times through caching; required in config/boot.rb gem 'bootsnap', '>= 1.4.2', require: false group :development, :test do # Call 'byebug' anywhere in the code to stop execution and get a debugger console gem 'byebug', platforms: [:mri, :mingw, :x64_mingw] end group :development do # Access an interactive console on exception pages or by calling 'console' anywhere in the code. gem 'web-console', '>= 3.3.0' gem 'listen', '~> 3.2' # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring gem 'spring' gem 'spring-watcher-listen', '~> 2.0.0' end group :test do # Adds support for Capybara system testing and selenium driver gem 'capybara', '>= 2.15' gem 'selenium-webdriver' # Easy installation and use of web drivers to run system tests with browsers gem 'webdrivers' end # Windows does not include zoneinfo files, so bundle the tzinfo-data gem gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby] # Bulma gem 'bulma-rails', '~> 0.7.4' gem 'bulma-extensions-rails', '~> 1.0.30' #デバイス gem 'devise' # 日本語化 gem 'rails-i18n' # アマゾンS3 gem "aws-sdk"
コマンド
bundle
「config\environments\development.rb」ファイルの記述を更新します。
記述更新 config\environments\development.rb
32行目の「config.active_storage.service = :local」の記述を「:amazon」に変更します。
# config.active_storage.service = :local config.active_storage.service = :amazon
config\environments\development.rb
Rails.application.configure do # Settings specified here will take precedence over those in config/application.rb. # In the development environment your application's code is reloaded on # every request. This slows down response time but is perfect for development # since you don't have to restart the web server when you make code changes. config.cache_classes = false # Do not eager load code on boot. config.eager_load = false # Show full error reports. config.consider_all_requests_local = true # Enable/disable caching. By default caching is disabled. # Run rails dev:cache to toggle caching. if Rails.root.join('tmp', 'caching-dev.txt').exist? config.action_controller.perform_caching = true config.action_controller.enable_fragment_cache_logging = true config.cache_store = :memory_store config.public_file_server.headers = { 'Cache-Control' => "public, max-age=#{2.days.to_i}" } else config.action_controller.perform_caching = false config.cache_store = :null_store end # Store uploaded files on the local file system (see config/storage.yml for options). # config.active_storage.service = :local config.active_storage.service = :amazon # Don't care if the mailer can't send. config.action_mailer.raise_delivery_errors = true config.action_mailer.perform_caching = false # Print deprecation notices to the Rails logger. config.active_support.deprecation = :log # Raise an error on page load if there are pending migrations. config.active_record.migration_error = :page_load # Highlight code that triggered database queries in logs. config.active_record.verbose_query_logs = true # Debug mode disables concatenation and preprocessing of assets. # This option may cause significant delays in view rendering with a large # number of complex assets. config.assets.debug = true # Suppress logger output for asset requests. config.assets.quiet = true # Raises error for missing translations. # config.action_view.raise_on_missing_translations = true # Use an evented file watcher to asynchronously detect changes in source code, # routes, locales, etc. This feature depends on the listen gem. # config.file_watcher = ActiveSupport::EventedFileUpdateChecker # デバイスのメール設定 config.action_mailer.default_url_options = { host: 'localhost', port: 3000 } #Gメールの設定 config.action_mailer.delivery_method = :smtp config.action_mailer.smtp_settings = { address: "smtp.gmail.com", port: 587, enable_starttls_auto: true, authentication: "plain", user_name: 'win.rails.learn@gmail.com', password: 'ご自分のgmailパスワードを入れてください。' } end
「config\storage.yml」ファイルに以下の記述を追加します。
記述追加 config\storage.yml(9行目)
アクセスキー、シークレットキー、バケット名はご自分のものを入れて下さい。
amazon: service: S3 access_key_id: 'ご自分のアクセスキーを入れてください。' secret_access_key: 'ご自分のシークレットアクセスキーを入れてください。' region: "ap-northeast-1" bucket: "ご自分のバケット名を入れてください。"
config\storage.yml
test: service: Disk root: <%= Rails.root.join("tmp/storage") %> local: service: Disk root: <%= Rails.root.join("storage") %> amazon: service: S3 access_key_id: 'ご自分のアクセスキーを入れてください。' secret_access_key: 'ご自分のシークレットアクセスキーを入れてください。' region: "ap-northeast-1" bucket: "ご自分のバケット名を入れてください。" # Use rails credentials:edit to set the AWS secrets (as aws:access_key_id|secret_access_key) # amazon: # service: S3 # access_key_id: <%= Rails.application.credentials.dig(:aws, :access_key_id) %> # secret_access_key: <%= Rails.application.credentials.dig(:aws, :secret_access_key) %> # region: us-east-1 # bucket: your_own_bucket # Remember not to checkin your GCS keyfile to a repository # google: # service: GCS # project: your_project # credentials: <%= Rails.root.join("path/to/gcs.keyfile") %> # bucket: your_own_bucket # Use rails credentials:edit to set the Azure Storage secret (as azure_storage:storage_access_key) # microsoft: # service: AzureStorage # storage_account_name: your_account_name # storage_access_key: <%= Rails.application.credentials.dig(:azure_storage, :storage_access_key) %> # container: your_container_name # mirror: # service: Mirror # primary: local # mirrors: [ amazon, google, microsoft ]
ブラウザ確認
http://localhost:3000/dashboard
ローカルにアップロードした画像は見えなくなっています。
画像をアップロードすると画像が表示されます。
アマゾンS3のバケットを見て画像がアップロードされているか確認して下さい。
↓↓クリックして頂けると励みになります。