slimtoolkit/slim

Minified Rails/Unicorn startup failure

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#15 建立於 2016年2月28日

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bughelp wanted

描述

config.ru:1:in <main>': cannot load such file -- rack/builder (LoadError) from /usr/local/bundle/gems/unicorn-4.9.0/lib/unicorn.rb:48:ineval' from /usr/local/bundle/gems/unicorn-4.9.0/lib/unicorn.rb:48:in block in builder' from /usr/local/bundle/gems/unicorn-4.9.0/lib/unicorn/http_server.rb:768:incall' from /usr/local/bundle/gems/unicorn-4.9.0/lib/unicorn/http_server.rb:768:in build_app!' from /usr/local/bundle/gems/unicorn-4.9.0/lib/unicorn/http_server.rb:137:instart' from /usr/local/bundle/gems/unicorn-4.9.0/bin/unicorn:126:in <top (required)>' from /usr/local/bundle/bin/unicorn:16:inload' from /usr/local/bundle/bin/unicorn:16:in `'

Reported in this blog post: http://chrisstump.online/2016/02/23/docker-image-reduction-techniques-and-tools/

Similar Rails app: https://github.com/cstump/docker_example

貢獻者指南

技術棧
railsdocker
領域
devopsbackend
議題類型
bug
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
half day
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
needs investigation
前置要求
Ruby on RailsDockerSlim tool
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
20
研究方向
First, reproduce the issue using the linked blog post and similar Rails app. Investigate whether the minified Docker image missing rack/builder causes the error. Check Slim's configuration for excluding necessary gems. Look at the official Slim documentation and existing tests for Rails/Unicorn support. Consider updating the issue with findings or closing if resolved.