Herokuデプロイ時のエラー

やりたいこと

Herokuデプロイ時にエラーが現れたので現れたので解消したい。

remote:  !
remote:  !     Precompiling assets failed.
remote:  !
remote:  !     Push rejected, failed to compile Ruby app.
remote: 
remote:  !     Push failed
remote: Verifying deploy...
remote: 
remote: !   Push rejected to healthy-combi.
remote: 
To https://git.heroku.com/healthy-combi.git
 ! [remote rejected] main -> main (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/healthy-combi.git'
urakamitakuya@urakamiuyanoMBP conve_recipe % git checkout -b message
Switched to a new branch 'message'

調査

heroku logs --tail

2021-10-08T03:55:33.071559+00:00 app[web.1]: [9248df1e-fcc3-43b0-95a2-cd14e7ad95e1]     42:       <div class="concept-img">
2021-10-08T03:55:33.071560+00:00 app[web.1]: [9248df1e-fcc3-43b0-95a2-cd14e7ad95e1]     43:         <%= image_pack_tag("media/images/boxed.jpg", class: 'w-100') %>
2021-10-08T03:55:33.071560+00:00 app[web.1]: [9248df1e-fcc3-43b0-95a2-cd14e7ad95e1]     44:       </div>
2021-10-08T03:55:33.071561+00:00 app[web.1]: [9248df1e-fcc3-43b0-95a2-cd14e7ad95e1]     45:       <div class="concept-text-box">
2021-10-08T03:55:33.071561+00:00 app[web.1]: [9248df1e-fcc3-43b0-95a2-cd14e7ad95e1]     46:         <div class="concept-text-main">
2021-10-08T03:55:33.071561+00:00 app[web.1]: [9248df1e-fcc3-43b0-95a2-cd14e7ad95e1]
2021-10-08T03:55:33.071562+00:00 app[web.1]: [9248df1e-fcc3-43b0-95a2-cd14e7ad95e1] app/views/static_pages/home.html.erb:43
2021-10-08T03:55:33.072062+00:00 heroku[router]: at=info method=GET path="/" host=healthy-combi.herokuapp.com request_id=9248df1e-fcc3-43b0-95a2-cd14e7ad95e1 fwd="60.66.51.144" dyno=web.1 connect=0ms service=5ms status=500 bytes=1827 protocol=https

エラー解決

webpackerに移行したがimage_pack_tagが読み込まれていない事が原因だった。

application.js内の以下の記述をコメントアウトするのを忘れていました。 application.js

const images = require.context('../images/', true)