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some trouble with rails, capistrano and git

Firstly I had to adjust the HEAD of my bare repo with some brute force like:

git push --force origin 688ec48e36b747b3820d55925268f51978be96d0:master

After my server bare repo was up-to-date again I could go for a closer look at capistrano and deploying my rails app.

Do this on your server to get some idea of the problem:

tail -n 30 log/production.log

It will give you the latest 30 lines of log output.

For me it were two things:
  1. precompiling did not work:

    I had to have a closer look at my deploy.rb etc and found some big mistakes of mine. I precompiled everything and some was already done so it had e.g. sass variables and the compiler collapsed.
    Just try this to see if you app runs fine:

    RAILS_ENV=production bundle exec rake assets:precompile --trace
  2. my server app just had empty sqlite3 files so my migration did not work:

    Log into your server and have a look or do some migrations manually.
    I read this and changed my deploy.rb file so cap deploy:migrate is run everytime:

    capistrano guide

    capistrano tweak

Now my app works fine again, altough I found some other unclean code on the way but after setting precompiling away from the *wildcard* but specific files it worked fine; --trace is your friend.

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