docker-compose buildで『Gem::Ext::BuildError: ERROR』

お世話になっております。
下記の事象について知見がある方がいらっしゃいましたらご教示お願いします。

#起きている問題
AWS環境でnginx、unicorn、mysqlをdockerコンテナで構築しdocker-compose buildで『Gem::Ext::BuildError: ERROR』が起きました。

$ docker-compose build
Building db
Step 1/4 : FROM mysql:8.0.17
 ---> b8fd9553f1f0
Step 2/4 : RUN apt-get update &&     apt-get install -y apt-utils
:
:                        
Fetching spring 2.0.2
Installing spring 2.0.2
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /usr/local/bundle/gems/nokogiri-1.10.9/ext/nokogiri
/usr/local/bin/ruby -r ./siteconf20200529-6-18ba5hy.rb extconf.rb
Cannot allocate memory - /usr/local/bin/ruby -r ./siteconf20200529-6-18ba5hy.rb
extconf.rb 2>&1

Gem files will remain installed in /usr/local/bundle/gems/nokogiri-1.10.9 for
inspection.
Results logged to
/usr/local/bundle/extensions/x86_64-linux/2.5.0/nokogiri-1.10.9/gem_make.out

An error occurred while installing nokogiri (1.10.9), and Bundler cannot
continue.
Make sure that `gem install nokogiri -v '1.10.9' --source
'https://rubygems.org/'` succeeds before bundling.

In Gemfile:
  rails was resolved to 5.1.6, which depends on
    actioncable was resolved to 5.1.6, which depends on
      actionpack was resolved to 5.1.6, which depends on
        actionview was resolved to 5.1.6, which depends on
          rails-dom-testing was resolved to 2.0.3, which depends on
            nokogiri


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /usr/local/bundle/gems/nio4r-2.5.2/ext/nio4r
/usr/local/bin/ruby -r ./siteconf20200529-6-t0ww9l.rb extconf.rb
Cannot allocate memory - /usr/local/bin/ruby -r ./siteconf20200529-6-t0ww9l.rb
extconf.rb 2>&1

Gem files will remain installed in /usr/local/bundle/gems/nio4r-2.5.2 for
inspection.
Results logged to
/usr/local/bundle/extensions/x86_64-linux/2.5.0/nio4r-2.5.2/gem_make.out

An error occurred while installing nio4r (2.5.2), and Bundler cannot continue.
Make sure that `gem install nio4r -v '2.5.2' --source 'https://rubygems.org/'`
succeeds before bundling.

In Gemfile:
  rails was resolved to 5.1.6, which depends on
    actioncable was resolved to 5.1.6, which depends on
      nio4r


：
：


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /usr/local/bundle/gems/byebug-9.0.6/ext/byebug
/usr/local/bin/ruby -r ./siteconf20200529-6-1im7hf8.rb extconf.rb
Cannot allocate memory - /usr/local/bin/ruby -r ./siteconf20200529-6-1im7hf8.rb
extconf.rb 2>&1

Gem files will remain installed in /usr/local/bundle/gems/byebug-9.0.6 for
inspection.
Results logged to
/usr/local/bundle/extensions/x86_64-linux/2.5.0/byebug-9.0.6/gem_make.out

An error occurred while installing byebug (9.0.6), and Bundler cannot continue.
Make sure that `gem install byebug -v '9.0.6' --source 'https://rubygems.org/'`
succeeds before bundling.

In Gemfile:
  byebug


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /usr/local/bundle/gems/kgio-2.11.3/ext/kgio
/usr/local/bin/ruby -r ./siteconf20200529-6-h3dgyo.rb extconf.rb
Cannot allocate memory - /usr/local/bin/ruby -r ./siteconf20200529-6-h3dgyo.rb
extconf.rb 2>&1

Gem files will remain installed in /usr/local/bundle/gems/kgio-2.11.3 for
inspection.
Results logged to
/usr/local/bundle/extensions/x86_64-linux/2.5.0/kgio-2.11.3/gem_make.out

An error occurred while installing kgio (2.11.3), and Bundler cannot continue.
Make sure that `gem install kgio -v '2.11.3' --source 'https://rubygems.org/'`
succeeds before bundling.

In Gemfile:
  unicorn was resolved to 5.4.1, which depends on
    kgio


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /usr/local/bundle/gems/mysql2-0.5.3/ext/mysql2
/usr/local/bin/ruby -r ./siteconf20200529-6-17zzo2d.rb extconf.rb
Cannot allocate memory - /usr/local/bin/ruby -r ./siteconf20200529-6-17zzo2d.rb
extconf.rb 2>&1

Gem files will remain installed in /usr/local/bundle/gems/mysql2-0.5.3 for
inspection.
Results logged to
/usr/local/bundle/extensions/x86_64-linux/2.5.0/mysql2-0.5.3/gem_make.out

An error occurred while installing mysql2 (0.5.3), and Bundler cannot continue.
Make sure that `gem install mysql2 -v '0.5.3' --source 'https://rubygems.org/'`
succeeds before bundling.

In Gemfile:
  mysql2


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /usr/local/bundle/gems/puma-3.9.1/ext/puma_http11
/usr/local/bin/ruby -r ./siteconf20200529-6-1wlltgf.rb extconf.rb
Cannot allocate memory - /usr/local/bin/ruby -r ./siteconf20200529-6-1wlltgf.rb
extconf.rb 2>&1

Gem files will remain installed in /usr/local/bundle/gems/puma-3.9.1 for
inspection.
Results logged to
/usr/local/bundle/extensions/x86_64-linux/2.5.0/puma-3.9.1/gem_make.out

An error occurred while installing puma (3.9.1), and Bundler cannot continue.
Make sure that `gem install puma -v '3.9.1' --source 'https://rubygems.org/'`
succeeds before bundling.

In Gemfile:
  puma


Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /usr/local/bundle/gems/raindrops-0.19.1/ext/raindrops
/usr/local/bin/ruby -r ./siteconf20200529-6-1onovv5.rb extconf.rb
Cannot allocate memory - /usr/local/bin/ruby -r ./siteconf20200529-6-1onovv5.rb
extconf.rb 2>&1

Gem files will remain installed in /usr/local/bundle/gems/raindrops-0.19.1 for
inspection.
Results logged to
/usr/local/bundle/extensions/x86_64-linux/2.5.0/raindrops-0.19.1/gem_make.out

An error occurred while installing raindrops (0.19.1), and Bundler cannot
continue.
Make sure that `gem install raindrops -v '0.19.1' --source
'https://rubygems.org/'` succeeds before bundling.

In Gemfile:
  unicorn was resolved to 5.4.1, which depends on
    raindrops
ERROR: Service 'app' failed to build: The command '/bin/sh -c bundle install -j4' returned a non-zero code: 5

#確認したこと

Cannot allocate memory - /usr/local/bin/ruby -r ./siteconf20200529-6-18ba5hy.rb
extconf.rb 2>&1

エラー文にメモリが解放できていないとエラーがでているのでDockerのスナップショットを削除しました。

$ docker rm `docker ps -a -q`

問題は解決いたしませんでした。

#関連ファイル
Gemfile

$ cat Gemfile
# frozen_string_literal: true

source 'https://rubygems.org'

gem 'bcrypt', '3.1.12'
gem 'bootstrap-sass', '3.3.7'
gem 'bootstrap-will_paginate', '1.0.0'
gem 'carrierwave', '~> 1.3', '>= 1.3.1'
gem 'coffee-rails', '4.2.2'
gem 'faker', '1.7.3'
gem 'geocoder'
gem 'gmaps4rails'
gem 'jbuilder', '2.7.0'
gem 'jquery-rails', '4.3.1'
gem 'jquery-ui-rails'
gem 'pry-rails'
gem 'puma', '3.9.1'
gem 'rails', '5.1.6'
gem 'rails-i18n'
gem 'ransack'
gem 'rubocop', require: false
gem 'rubocop-rails', require: false
gem 'sass-rails', '5.0.6'
gem 'turbolinks', '5.0.1'
gem 'uglifier', '3.2.0'
gem 'will_paginate', '3.1.6'
gem 'mysql2'
gem 'dotenv-rails'

group :development, :test do
  #  gem 'sqlite3', '1.3.13'
  gem 'byebug', '9.0.6', platform: :mri
end

group :development do
  gem 'listen',                '3.1.5'
  gem 'spring',                '2.0.2'
  gem 'spring-watcher-listen', '2.0.1'
  gem 'web-console',           '3.5.1'
end

group :test do
  gem 'guard',                    '2.13.0'
  gem 'guard-minitest',           '2.4.4'
  gem 'minitest',                 '5.10.3'
  gem 'minitest-reporters',       '1.1.14'
  gem 'rails-controller-testing', '1.0.2'
end

group :production, :staging do
  gem 'unicorn', '5.4.1'
end

docker-compose.yml

version: '2'
services:
  app:
    build:
      context: .
      dockerfile: ./docker/rails/Dockerfile
    command: bundle exec unicorn -p 3000 -c /app/config/unicorn.rb
  #  command: bundle exec rails s -p 3000 -b '0.0.0.0'
    ports:
      - '3000:3000'
    volumes:
      - /var/tmp
      - .:/coffee_app
    depends_on:
      - db
    extends:
      file: ./docker/mysql/password.yml
      service: password

  db:
    build:
      context: .
      dockerfile: ./docker/mysql/Dockerfile
    ports:
      - '3306:3306'
    volumes:
      - db_data:/var/lib/mysql
    extends:
      file: ./docker/mysql/password.yml
      service: password

  nginx:
    build:
      context: .
      dockerfile: ./docker/nginx/Dockerfile
    ports:
      - '80:80'
    volumes:
      - coffee_app

volumes:
  db_data:

#環境
ruby 2.5.1
rails 5.1.6
docker version 19.03.6
docker-compose version 1.24.0

yu_1985

2020/05/29 17:40

Dockerのビルドでエラーになってると思うんですが、Dockerfileはどうなってますか。Gemのところでコケてるので恐らくRailsのDockefileだと思いますが。

ryouya

2020/05/29 22:09

早急なご回答ありがとうございますm(_ _)m 承知しました、質問本文には文字数の問題で記載できないので、ここに記載します。 Dockerfile(Rails) ``` FROM ruby:2.5.1 RUN apt-get update -qq && \ apt-get install -y apt-utils \ build-essential \ libpq-dev \ nodejs \ default-mysql-client RUN mkdir /coffee_app WORKDIR /coffee_app ADD Gemfile /coffee_app/Gemfile ADD Gemfile.lock /coffee_app/Gemfile.lock RUN bundle install -j4 ADD . /coffee_app EXPOSE 3000 ``` Dockerfile(mysql) ``` FROM mysql:8.0.17 RUN apt-get update && \ apt-get install -y apt-utils \ locales && \ rm -rf /var/lib/apt/lists/* && \ echo "ja_JP.UTF-8 UTF-8" > /etc/locale.gen && \ locale-gen ja_JP.UTF-8 ENV LC_ALL ja_JP.UTF-8 ADD ./docker/mysql/charset.cnf /etc/mysql/conf.d/charset.cnf ``` Dockerfile(nginx) ``` FROM nginx:1.12.2 RUN apt-get update && \ apt-get install -y apt-utils \ locales && \ echo "ja_JP.UTF-8 UTF-8" > /etc/locale.gen && \ locale-gen ja_JP.UTF-8 ENV LC_ALL ja_JP.UTF-8 ADD ./docker/nginx/nginx.conf /etc/nginx/nginx.conf ADD ./docker/nginx/default.conf /etc/nginx/conf.d/default.conf ```