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Editorial Team
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Asked: 2026-06-15T10:42:43+00:00

when doing heroku run rake db:migrate all migrations are performed and then, at the

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when doing

heroku run rake db:migrate

all migrations are performed and then, at the end I always get following message:

/app/vendor/bundle/ruby/1.9.1/bin/rake: No such file or directory - pg_dump -i -s -x -O -f /app/db/structure.sql dan79p98fykovu

I can’t add pg_dump to PATH on Heroku.
How to deal with this?

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1 Answer

  1. Editorial Team

    The issue is that rails is trying to dump a new structure.sql once the migration is complete, and failing because pg_dump is not present. It’s pointless to generate a new structure.sql for a deployed app, so the best solution is to tell rails not to.

    Edit your Rakefile and override the task. Adding the following line at the end of it should do it:

    Rake::Task["db:structure:dump"].clear if Rails.env.production?
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