質問編集履歴

補足としてのコードの追加

2016/02/12 05:58

投稿

namitop

スコア29

test CHANGED Viewed

	@@ -1 +1 @@
1	- ドッ~~トインスト~~ー~~ルのH~~ero~~ku入門につい~~て
1	+ http://localhost:3000でエラーメッセージ「PG::ConnectionBad」が表示されてしまう

test CHANGED Viewed

@@ -12,15 +12,27 @@
 「rails s」してブラウザで確認したら以下のようなエラーメッセージが出ました。
-mymemo/config/database.ymlを確認しても、
-mymemo/Gemfileを確認しても、なぜmymemo_developmentデータベースが作成されないのかわかりません。
+なぜmymemo_developmentデータベースが作成されないのかわかりません。
+また、「http://localhost:3000」を表示するだけなのにも関わらずデータベースが存在しないのが問題になるのかがわかりません。
 どこが原因でしょうか？
-ーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーー
+以下に「エラーメッセージ」「mymemo/Gemfile」「mymemo/config/database.yml」の内容を載せます。
+【エラーメッセージ】
+---
 PG::ConnectionBad
@@ -58,4 +70,276 @@
 None
+---
+【mymemo/Gemfile】
+```vi
+source 'https://rubygems.org'
+# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
+gem 'rails', '4.1.4'
+# Use postgresql as the database for Active Record
+gem 'pg'
+# Use SCSS for stylesheets
+gem 'sass-rails', '~> 4.0.3'
+# Use Uglifier as compressor for JavaScript assets
+gem 'uglifier', '>= 1.3.0'
+# Use CoffeeScript for .js.coffee assets and views
+gem 'coffee-rails', '~> 4.0.0'
+# See https://github.com/sstephenson/execjs#readme for more supported runtimes
+gem 'therubyracer',  platforms: :ruby
+# Use jquery as the JavaScript library
+gem 'jquery-rails'
+# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
+gem 'turbolinks'
+# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
+gem 'jbuilder', '~> 2.0'
+# bundle exec rake doc:rails generates the API under doc/api.
+gem 'sdoc', '~> 0.4.0',          group: :doc
+# Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
+gem 'spring',        group: :development
-ーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーー
+# Use ActiveModel has_secure_password
+# gem 'bcrypt', '~> 3.1.7'
+# Use unicorn as the app server
+# gem 'unicorn'
+# Use Capistrano for deployment
+# gem 'capistrano-rails', group: :development
+# Use debugger
+# gem 'debugger', group: [:development, :test]
+```
+【mymemo/config/database.yml】
+```vi
+# PostgreSQL. Versions 8.2 and up are supported.
+#
+# Install the pg driver:
+#   gem install pg
+# On OS X with Homebrew:
+#   gem install pg -- --with-pg-config=/usr/local/bin/pg_config
+# On OS X with MacPorts:
+#   gem install pg -- --with-pg-config=/opt/local/lib/postgresql84/bin/pg_config
+# On Windows:
+#   gem install pg
+#       Choose the win32 build.
+#       Install PostgreSQL and put its /bin directory on your path.
+#
+# Configure Using Gemfile
+# gem 'pg'
+#
+default: &default
+  adapter: postgresql
+  encoding: unicode
+  # For details on connection pooling, see rails configuration guide
+  # http://guides.rubyonrails.org/configuring.html#database-pooling
+  pool: 5
+development:
+  <<: *default
+  database: mymemo_development
+  # The specified database role being used to connect to postgres.
+  # To create additional roles in postgres see `$ createuser --help`.
+  # When left blank, postgres will use the default role. This is
+  # the same name as the operating system user that initialized the database.
+  #username: mymemo
+  # The password associated with the postgres role (username).
+  #password:
+  # Connect on a TCP socket. Omitted by default since the client uses a
+  # domain socket that doesn't need configuration. Windows does not have
+  # domain sockets, so uncomment these lines.
+  #host: localhost
+  # The TCP port the server listens on. Defaults to 5432.
+  # If your server runs on a different port number, change accordingly.
+  #port: 5432
+  # Schema search path. The server defaults to $user,public
+  #schema_search_path: myapp,sharedapp,public
+  # Minimum log levels, in increasing order:
+  #   debug5, debug4, debug3, debug2, debug1,
+  #   log, notice, warning, error, fatal, and panic
+  # Defaults to warning.
+  #min_messages: notice
+# Warning: The database defined as "test" will be erased and
+# re-generated from your development database when you run "rake".
+# Do not set this db to the same as development or production.
+test:
+  <<: *default
+  database: mymemo_test
+# As with config/secrets.yml, you never want to store sensitive information,
+# like your database password, in your source code. If your source code is
+# ever seen by anyone, they now have access to your database.
+#
+# Instead, provide the password as a unix environment variable when you boot
+# the app. Read http://guides.rubyonrails.org/configuring.html#configuring-a-database
+# for a full rundown on how to provide these environment variables in a
+# production deployment.
+#
+# On Heroku and other platform providers, you may have a full connection URL
+# available as an environment variable. For example:
+#
+#   DATABASE_URL="postgres://myuser:mypass@localhost/somedatabase"
+#
+# You can use this database configuration with:
+#
+#   production:
+#     url: <%= ENV['DATABASE_URL'] %>
+#
+production:
+  <<: *default
+  database: mymemo_production
+  username: mymemo
+  password: <%= ENV['MYMEMO_DATABASE_PASSWORD'] %>
+```