What I want to do and what happened
I made a rails app on local. And I want to deploy it to heroku. I tried this.
$ git push heroku master But I got error messages like below.
remote: -----> Detecting rake tasks remote: remote: ! remote: ! Could not detect rake tasks remote: ! ensure you can run `$ bundle exec rake -P` against your app remote: ! and using the production group of your Gemfile. remote: ! /tmp/build_646360fd/vendor/ruby-2.7.2/lib/ruby/2.7.0/rubygems/dependency.rb:311:in `to_specs': Could not find 'spring' (= 2.1.1) among 111 total gem(s) (Gem::MissingSpecError) remote: ! Checked in 'GEM_PATH=/tmp/build_646360fd/vendor/bundle/ruby/2.7.0', execute `gem env` for more information remote: ! from /tmp/build_646360fd/vendor/ruby-2.7.2/lib/ruby/2.7.0/rubygems/dependency.rb:323:in `to_spec' remote: ! from /tmp/build_646360fd/vendor/ruby-2.7.2/lib/ruby/2.7.0/rubygems/core_ext/kernel_gem.rb:62:in `gem' remote: ! from /tmp/build_646360fd/bin/spring:14:in `<top (required)>' remote: ! from /tmp/build_646360fd/bin/rake:2:in `load' remote: ! from /tmp/build_646360fd/bin/rake:2:in `<main>' remote: ! What I tried to resolve
First, I just tried $ bundle exec rake -P as the messages indicated. And I got this long output.
rake about environment rake action_mailbox:ingress:environment rake action_mailbox:ingress:exim action_mailbox:ingress:environment rake action_mailbox:ingress:postfix action_mailbox:ingress:environment rake action_mailbox:ingress:qmail action_mailbox:ingress:environment rake action_mailbox:install rake action_mailbox:install:migrations rake action_text:install rake action_text:install:migrations rake active_storage:install environment rake active_storage:install:migrations rake active_storage:update environment rake app:binstub:yarn rake app:template environment rake app:templates:copy rake app:update update:configs update:bin update:active_storage update:upgrade_guide_info rake app:update:active_storage rake app:update:bin rake app:update:configs rake app:update:upgrade_guide_info rake assets:clean environment rake assets:clobber environment rake assets:environment rake assets:precompile environment yarn:install rake cache_digests:dependencies environment rake cache_digests:nested_dependencies environment rake db:_dump rake db:abort_if_pending_migrations load_config rake db:charset load_config rake db:check_protected_environments load_config rake db:collation load_config rake db:create load_config rake db:create:all load_config rake db:drop load_config check_protected_environments rake db:drop:_unsafe load_config rake db:drop:all load_config check_protected_environments rake db:environment:set load_config rake db:fixtures:identify load_config rake db:fixtures:load load_config rake db:forward load_config rake db:load_config environment rake db:migrate load_config rake db:migrate:down load_config rake db:migrate:redo load_config rake db:migrate:reset db:drop db:create db:migrate rake db:migrate:status load_config rake db:migrate:up load_config rake db:prepare load_config rake db:purge load_config check_protected_environments rake db:purge:all load_config check_protected_environments rake db:reset db:drop db:setup rake db:rollback load_config rake db:schema:cache:clear load_config rake db:schema:cache:dump load_config rake db:schema:dump load_config rake db:schema:load load_config check_protected_environments rake db:schema:load_if_ruby db:create environment rake db:seed load_config rake db:seed:replant load_config truncate_all seed rake db:setup db:create environment db:schema:load seed rake db:structure:dump load_config rake db:structure:load load_config check_protected_environments rake db:structure:load_if_sql db:create environment rake db:test:load db:test:purge rake db:test:load_schema db:test:purge rake db:test:load_structure db:test:purge rake db:test:prepare load_config rake db:test:purge load_config check_protected_environments rake db:truncate_all load_config check_protected_environments rake db:version load_config rake default spec rake environment rake log:clear rake middleware environment rake railties:install:migrations db:load_config rake restart rake secret rake spec spec:prepare rake spec:models spec:prepare rake spec:prepare rake spec:requests spec:prepare rake spec:statsetup rake stats spec:statsetup rake test rake test:all test:prepare rake test:channels test:prepare rake test:controllers test:prepare rake test:db db:test:prepare test rake test:functionals test:prepare rake test:generators test:prepare rake test:helpers test:prepare rake test:integration test:prepare rake test:jobs test:prepare rake test:mailboxes test:prepare rake test:mailers test:prepare rake test:models test:prepare rake test:prepare rake test:run test rake test:system test:prepare rake test:units test:prepare rake time:zones rake time:zones:all rake time:zones:local rake time:zones:us rake tmp rake tmp/cache rake tmp/cache/assets rake tmp/pids rake tmp/sockets rake tmp:cache:clear rake tmp:clear tmp:cache:clear tmp:sockets:clear tmp:screenshots:clear rake tmp:create tmp/cache tmp/sockets tmp/pids tmp/cache/assets rake tmp:pids:clear rake tmp:screenshots:clear rake tmp:sockets:clear rake webdrivers:chromedriver:remove rake webdrivers:chromedriver:update rake webdrivers:chromedriver:version rake webdrivers:edgedriver:remove rake webdrivers:edgedriver:update rake webdrivers:edgedriver:version rake webdrivers:geckodriver:remove rake webdrivers:geckodriver:update rake webdrivers:geckodriver:version rake webdrivers:iedriver:remove rake webdrivers:iedriver:update rake webdrivers:iedriver:version rake webpacker rake webpacker:binstubs check_node check_yarn rake webpacker:check_binstubs rake webpacker:check_node rake webpacker:check_yarn rake webpacker:clean webpacker:verify_install environment rake webpacker:clobber webpacker:verify_install environment rake webpacker:compile webpacker:verify_install environment rake webpacker:info rake webpacker:install check_node check_yarn rake webpacker:install:angular webpacker:verify_install rake webpacker:install:coffee webpacker:verify_install rake webpacker:install:elm webpacker:verify_install rake webpacker:install:erb webpacker:verify_install rake webpacker:install:react webpacker:verify_install rake webpacker:install:stimulus webpacker:verify_install rake webpacker:install:svelte webpacker:verify_install rake webpacker:install:typescript webpacker:verify_install rake webpacker:install:vue webpacker:verify_install rake webpacker:verify_install check_node check_yarn check_binstubs rake webpacker:yarn_install rake yarn:install rake zeitwerk:check environment Gemfile is like this.
source 'https://rubygems.org' git_source(:github) { |repo| "https://github.com/#{repo}.git" } ruby '2.7.2' gem 'rails', '~> 6.1.0' gem 'puma', '~> 5.0' gem 'sass-rails', '>= 6' gem 'webpacker', '~> 5.0' gem 'turbolinks', '~> 5' gem 'jbuilder', '~> 2.7' gem 'bootsnap', '>= 1.4.4', require: false gem 'devise' group :development, :test do gem 'sqlite3', '~> 1.4' gem 'byebug', platforms: [:mri, :mingw, :x64_mingw] gem 'rspec-rails' gem 'factory_bot_rails' end group :development do gem 'web-console', '>= 4.1.0' gem 'rack-mini-profiler', '~> 2.0' gem 'listen', '~> 3.3' gem 'spring' gem 'spring-commands-rspec' end group :test do gem 'capybara', '>= 3.26' gem 'selenium-webdriver' gem 'webdrivers' end group :production do gem 'pg' end I modified a config for assets compile in config/environments/production.rb
config/environments/production.rb And database.yml is here.
default: &default adapter: sqlite3 pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %> timeout: 5000 development: << *default database: db/development.sqlite3 test: << *default database: db/test.sqlite3 production: << *default adapter: postgresql encoding: unicode pool: 5 I've already create heroku app and add git remote. And I did bundle install and push to heroku.
$ bundle install --without production $ git add . $ git commit -m "ready for deploying" $ git push heroku master Then I got that errors.
I also tried to create new rails app with the same ruby, bundler and rails version. And modified same things. And then, it worked well.
Sorry for my bad English. Please help me. I will add some codes if you need. Thank you.
Environments
- ruby 2.7.2p137 (rbenv)
- rails 6.1.0
- bundler 2.1.4
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