我是 Ruby on Rails 和 heroku 的新手。我按照视频教程中的步骤进行操作。我不认为我做了什么不同的事情。但是,当一切都在我的 localhost:3000 上运行时,我无法在 heroku 上运行 rake db:migrate 您还可以详细说明 GEMFILE.lock 和 GEMFILE 的功能。
$ heroku run rake db:migrate
Running `rake db:migrate` attached to terminal... up, run.9550
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:7)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:7)
Connecting to database specified by DATABASE_URL
rake aborted!
could not translate host name "ec2-54-225-69-193.compute-1.amazonaws.com" to address: Temporary failure in name resolution
/app/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.13/lib/active_record/connection_adapters/postgresql_adapter.rb:1216:in `initialize'
/app/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.13/lib/active_record/connection_adapters/postgresql_adapter.rb:1216:in `new'
/app/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.13/lib/active_record/connection_adapters/postgresql_adapter.rb:1216:in `connect'
/app/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.13/lib/active_record/connection_adapters/postgresql_adapter.rb:324:in `initialize'
/app/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.13/lib/active_record/connection_adapters/postgresql_adapter.rb:28:in `new'
/app/vendor/bundle/ruby/1.9.1/gems/activerecord-3.2.13/lib/active_record/connection_adapters/postgresql_adapter.rb:28:in `postgresql_connection'
我的 GEMFILE 的相关内容
group :production do
gem 'pg'
end
group :development, :test do
gem 'sqlite3'
end
我的 GEMFILE.lock 的相关内容
sqlite3 (1.3.7)
thor (0.18.0)
tilt (1.3.6)
treetop (1.4.12)
polyglot
polyglot (>= 0.3.1)
tzinfo (0.3.37)
uglifier (1.3.0)
execjs (>= 0.3.0)
multi_json (~> 1.0, >= 1.0.2)
PLATFORMS
ruby
DEPENDENCIES
coffee-rails (~> 3.2.1)
jquery-rails
pg
rails (= 3.2.13)
sass-rails (~> 3.2.3)
sqlite3
uglifier (>= 1.0.3)