heroku: Compiled slug size: 617.9M is too large (max is 500M)

[thomaswoehlke]

Describe the bug
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To Reproduce
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1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
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Screenshots
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Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
[INFO] Unpacking /tmp/codon/tmp/cache/.m2/repository/com/vladsch/flexmark/flexmark-youtrack-converter/0.42.14/flexmark-youtrack-converter-0.42.14.jar to /tmp/build_1921508c_/target/dependency with includes "" and excludes ""
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:13 min
[INFO] Finished at: 2020-08-26T20:12:48Z
[INFO] ------------------------------------------------------------------------
-----> Discovering process types
Procfile declares types -> web
-----> Compressing...
! Compiled slug size: 617.9M is too large (max is 500M).
! See: http://devcenter.heroku.com/articles/slug-size
! Push failed