Heroku部署Ruby 2.6.1:warn_for_outdated_bundler_version

问题描述 投票:0回答:1

这个问题与this one有关,但建议的解决方案对我不起作用。

我正在尝试使用Rails 5.2部署Ruby 2.6.1应用程序,但我在部署阶段一直收到此错误:

/app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/lockfile_parser.rb:108:in `warn_for_outdated_bundler_version': You must use Bundler 2 or greater with this lockfile. (Bundler::LockfileError)
from /app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/lockfile_parser.rb:95:in `initialize'
from /app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/definition.rb:83:in `new'
from /app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/definition.rb:83:in `initialize'
from /app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/dsl.rb:234:in `new'
from /app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/dsl.rb:234:in `to_definition'
from /app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/dsl.rb:13:in `evaluate'
from /app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/definition.rb:34:in `build'
from /app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler.rb:135:in `definition'
from /app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler.rb:101:in `setup'
from /app/vendor/ruby-2.6.1/lib/ruby/2.6.0/bundler/setup.rb:20:in `<top (required)>'
from /app/vendor/ruby-2.6.1/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
from /app/vendor/ruby-2.6.1/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
from /app/config/boot.rb:3:in `<top (required)>'
from /app/bin/rake:2:in `require_relative'
from /app/bin/rake:2:in `<main>'

我在这个错误中发现奇怪的是这一行:

/app/vendor/bundle/ruby/2.6.0/gems/bundler-2.0.1/lib/bundler/lockfile_parser.rb:108:in `warn_for_outdated_bundler_version': You must use Bundler 2 or greater with this lockfile. (Bundler::LockfileError)

Heroku似乎说它正在使用Ruby 2.6.0。但是在构建阶段,它说它使用Ruby 2.6.1Bundler 2

-----> Ruby app detected
-----> Compiling Ruby/Rails
-----> Using Ruby version: ruby-2.6.1
-----> Installing dependencies using bundler 2.0.1

构建成功,但部署失败。

以下是如何配置我的应用程序。

Gemfile(简化为重要的)

ruby "2.6.1"
gem 'rails', '~> 5.2'

Gemfile.lock(简化为重要的)

RUBY VERSION
   ruby 2.6.1p33

BUNDLED WITH
   2.0.1

在heroku上,我的buildpack是heroku/ruby。我的筹码是heroku-18

Bundler 2所说,Heroku似乎支持this post

有关部署失败的想法吗?

ruby-on-rails heroku bundler
1个回答
0
投票

我找到了解决方案。问题出在部署时,而不是在构建期间。部署使用Ruby 2.6.0,因为默认情况下Heroku的web dyno:

rails server -p $PORT -e $RAILS_ENV

然而,this post from bundler github告诉每个命令加上bundle exec的前缀。但来自dyno的rails server命令没有前缀。

我找到的解决方法是修改项目Procfile文件,并添加以下行:

web: bundle exec rails server -p $PORT -e $RAILS_ENV

这样,rails server命令使用预期的Ruby version,生成错误的2.6.12.6.0 insteand。

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